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View Full Version : Manual Removal Guide for Zlob.Downloader



Friday
2008-11-29, 22:05
The following instructions have been created to help you to get rid of "Zlob.Downloader" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

If this guide was helpful to you, please consider donating towards this site (http://www.safer-networking.org/index.php?page=donate).

Threat Details:

Categories:
trojan

Description:
Trojan, which downloads and install various third-party spyware and malware to infected computers: SpyAxe, SpywareStrike, SpyTrooper, Vcodec, ...
Supposed Functionality:
Malware Downloader
Removal Instructions:

Autorun:

Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd), RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer) or msconfig.exe to remove the following autorun entries.

Entries named "some" and pointing to "*\icthis.exe".
Entries named "start" and pointing to "*\isfmntr.exe".
Entries named "start" and pointing to "*\isfmntr.exe".
Entries named "shoket".

Files:

Please use Windows Explorer or another file manager of your choice to locate and delete these files.

A file with an unknown location named "icthis.exe".
A file with an unknown location named "isfmntr.exe".
A file with an unknown location named "isfmntr.exe".
A file with an unknown location named "ictmdl.dll".
A file with an unknown location named "icmntr.exe".
A file with an unknown location named "icthis.exe".
A file with an unknown location named "imsmain.exe".
A file with an unknown location named "pmsnrr.exe".
A file with an unknown location named "pmmnt.exe".
The file at "<$SYSDIR>\sounddrv.dll".
The file at "<$WINDIR>\sounddrv.dll".
The file at "<$SYSDIR>\xvideo.dll".
The file at "<$WINDIR>\xvideo.dll".
The file at "<$SYSDIR>\drpr449BA67F.dll".
The file at "<$SYSDIR>\hlpapi.dll".
The file at "<$SYSDIR>\mcas449BA67F.exe".
The file at "<$SYSDIR>\msts449BA67F.dll".
The file at "<$SYSDIR>\shdo449BA67F.dll".
The file at "<$WINDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\ld100.tmp".
The file at "<$SYSDIR>\regperf.exe".
A file with an unknown location named "regperf.exe".
The file at "<$SYSDIR>\hp100.tmp".
The file at "<$SYSDIR>\simpole.tlb".
A file with an unknown location named "Mscornet.exe".
The file at "<$PROGRAMFILES>\Internet Explorer\wiedw.exe".
The file at "<$SYSDIR>\ismon.exe".
The file at "<$SYSDIR>\ismon.exe".
The file at "<$SYSDIR>\ismon.exe".
The file at "<$SYSDIR>\ismon.exe".
The file at "<$SYSDIR>\ismon.exe".
The file at "<$SYSDIR>\ismon.exe".
The file at "<$LOCALSETTINGS>\Temp\nsa4.tmp\nsProcess.dll".
The file at "<$LOCALSETTINGS>\Temp\nse2.tmp\nsProcess.dll".
The file at "<$LOCALSETTINGS>\Temp\nso7.tmp\nsProcess.dll".
The file at "<$LOCALSETTINGS>\Temp\nsd6.tmp\nsProcess.dll".
The file at "<$LOCALSETTINGS>\Temp\nsy8.tmp\nsProcess.dll".
The file at "<$PROGRAMFILES>\Windows\WinUpdate.exe".
The file at "<$PROGRAMFILES>\7-Zip\7zip_pad.exe".
The file at "<$PROGRAMFILES>\Internet Explorer\HMMAPI.exe".
The file at "<$PROGRAMFILES>\IrfanView\wi_view32.exe".
The file at "<$LOCALSETTINGS>\Temp\~1.tmp".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$PROGRAMFILES>\Windows\WinUpdate.fld".
The file at "<$DESKTOP>\freeprodtb.exe".
The file at "<$PROGRAMFILES>\NetMeeting\TestSnd.exe".
The file at "<$SYSDIR>\hp100.tmp".
The file at "<$SYSDIR>\simpole.tlb".
The file at "<$SYSDIR>\stdole3.tlb".
A file with an unknown location named "Trelew.exe".
A file with an unknown location named "atmclk.exe".
A file with an unknown location named "C0MMAND.EXE".
A file with an unknown location named "clickme.exe".
A file with an unknown location named "cmd32.exe".
A file with an unknown location named "dcomcfg.exe".
A file with an unknown location named "E-nrgyPlus.exe".
A file with an unknown location named "ieredir.exe".
A file with an unknown location named "ipod.raw.exe".
A file with an unknown location named "keyboard23.exe".
A file with an unknown location named "lodcurce.exe".
A file with an unknown location named "newname23.exe".
A file with an unknown location named "smss.exe".
A file with an unknown location named "sysvx.exe".
A file with an unknown location named "time.exe".
A file with an unknown location named "WinUpdate.exe".
A file with an unknown location named "wWinUpdate.exe".
A file with an unknown location named "nt.sys".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$LOCALSETTINGS>\Temp\nsy5.tmp\nsProcess.dll".
The file at "<$PROGRAMFILES>\Windows Media Player\wsetup_wm.exe".
A file with an unknown location named "WinUpdate.fld".
The file at "<$PROGRAMFILES>\outll\_desktop.ini".
The file at "<$PROGRAMFILES>\outll\_wpcap_.bat".
The file at "<$PROGRAMFILES>\outll\_wpcap_.inf".
The file at "<$PROGRAMFILES>\outll\foo".
The file at "<$PROGRAMFILES>\outll\GServers.inf".
The file at "<$PROGRAMFILES>\outll\LServers.inf".
The file at "<$PROGRAMFILES>\outll\npf.sys".
The file at "<$PROGRAMFILES>\outll\Packet.dll".
The file at "<$PROGRAMFILES>\outll\svchost.exe".
The file at "<$PROGRAMFILES>\outll\WanPacket.dll".
The file at "<$PROGRAMFILES>\outll\wpcap.dll".
A file with an unknown location named "vDll.dll".
The file at "<$WINDIR>\0Sy.exe".
The file at "<$WINDIR>\1Sy.exe".
The file at "<$WINDIR>\2Sy.exe".
The file at "<$WINDIR>\3Sy.exe".
The file at "<$WINDIR>\4Sy.exe".
The file at "<$WINDIR>\5Sy.exe".
The file at "<$WINDIR>\Logo1_.exe".
The file at "<$WINDIR>\rundl132.exe".
The file at "<$WINDIR>\vDll.dll".
The file at "<$SYSDIR>\dllz.dll".
The file at "<$SYSDIR>\msdll.dll".
The file at "<$SYSDIR>\ztdll.dll".
A file with an unknown location named "THUNDER.EXE".
The file at "<$WINDIR>\stdole3.tlb".
The file at "<$SYSDIR>\regperf.exe".
The file at "<$SYSDIR>\atmclk.exe".
The file at "<$SYSDIR>\dcomcfg.exe".
The file at "<$SYSDIR>\simpole.tlb".
The file at "<$SYSDIR>\stdole3.tlb".
The file at "<$SYSDIR>\atmclk.exe".
A file with an unknown location named "mssearchnet.exe".
The file at "<$SYSDIR>\Nvctrl.exe".
The file at "<$WINDIR>\Nvctrl.exe".
A file with an unknown location named "Nvctrl.exe".
The file at "<$SYSDIR>\mscornet.exe".
Make sure you set your file manager to display hidden and system files. If Zlob.Downloader uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!

Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) to remove them.

Folders:

Please use Windows Explorer or another file manager of your choice to locate and delete these folders.

The directory at "<$LOCALSETTINGS>\Temp\nsa4.tmp".
The directory at "<$LOCALSETTINGS>\Temp\nse2.tmp".
The directory at "<$LOCALSETTINGS>\Temp\nso7.tmp".
The directory at "<$LOCALSETTINGS>\Temp\nsd6.tmp".
The directory at "<$LOCALSETTINGS>\Temp\nsy8.tmp".
The directory at "<$PROGRAMFILES>\Windows".
The directory at "<$LOCALSETTINGS>\Temp\nsy5.tmp".
The directory at "<$PROGRAMFILES>\outll".
Make sure you set your file manager to display hidden and system files. If Zlob.Downloader uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify folders!

Registry:

You can use regedit.exe (included in Windows) to locate and delete these registry entries.

Delete the registry value "{F2BADA0D-FD61-45EF-A994-64A073FD6613}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Toolbar\".
Delete the registry key "{F2BADA0D-FD61-45EF-A994-64A073FD6613}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{68395A33-E498-4C5D-AF61-1BA9E135C73A}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{7A932ED2-1737-4AB8-B84D-C71779958551}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{7A932ED2-1737-4AB8-B84D-C71779958551}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
Delete the registry key "{7A932ED2-1737-4AB8-B84D-C71779958551}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{8D83B16E-0DE1-452B-AC52-96EC0B34AA4B}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{8D83B16E-0DE1-452B-AC52-96EC0B34AA4B}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
Delete the registry key "{8D83B16E-0DE1-452B-AC52-96EC0B34AA4B}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{EDBF1BC8-39AB-48EB-A0A9-C75078EB7C8E}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{EDBF1BC8-39AB-48EB-A0A9-C75078EB7C8E}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
Delete the registry key "{EDBF1BC8-39AB-48EB-A0A9-C75078EB7C8E}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "VBAM449BA67F" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\".
Remove "msts449BA67F.dll shdo449BA67F.dll" from registry value "AppInit_DLLs" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\".
Remove "msts449BA67F.dll" from registry value "AppInit_DLLs" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\".
Remove "shdo449BA67F.dll" from registry value "AppInit_DLLs" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\".
Delete the registry key "hlpapi" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\".
Delete the registry key "{5F4C3D09-B3B9-4F88-AA82-31332FEE1C08}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
Delete the registry key "{5f4c3d09-b3b9-4f88-aa82-31332fee1c08}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{5f4c3d09-b3b9-4f88-aa82-31332fee1c08}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta\".
Delete the registry key "{465A59EC-20E5-4fca-A38A-E5EC3C480218}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{0519A9C9-064A-4cbc-BC47-D0EACD581477}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{5f4c3d09-b3b9-4f88-aa82-31332fee1c08}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{686A161D-5BD1-4999-8832-6393F41E564C}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "&MyToolBar Search" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MenuExt\".
Delete the registry key "{C217767F-E340-49B8-85D3-3A72B9CD652F}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{F79FD28E-36EE-4989-AA61-9DD8E30A82FA}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "MyToolBar.M#yToolBarObj", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "MyToolBar.MyToolBarObj.1", plus associated values.
Delete the registry key "{f79fd28e-36ee-4989-aa61-9dd8e30a82fa}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta\".
Delete the registry key "{f79fd28e-36ee-4989-aa61-9dd8e30a82fa}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry value "{0E1230F8-EA50-42A9-983C-D22ABC2EED3B}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\".
Delete the registry value "{C217767F-E340-49B8-85D3-3A72B9CD652F}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks\".
Remove "<$SYSDIR>\atmclk.exe" from registry value "kernel32.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Delete the registry value "Request" at "HKEY_CURRENT_USER\Software\Director\".
Delete the registry value "Uid" at "HKEY_CURRENT_USER\Software\Director\".
Delete the registry key "{8B7CD17E-428B-4EE7-BBCD-21875FA05D7F}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{95C2547B-0785-4278-9AEA-CE65D78D853D}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "DownloadWWW" at "HKEY_LOCAL_MACHINE\SOFTWARE\Soft\".
Remove "regperf.exe" from registry value "wininet.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Remove "atmclk.exe" from registry value "kernel32.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Delete the registry value "dcomcfg.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Delete the registry key "{B0398ECA-0BCD-4645-8261-5E9DC70248D0}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{b0398eca-0bcd-4645-8261-5e9dc70248d0}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{4da4616d-7e6e-4fd9-a2d5-b6c535733e22}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objecta\".
Delete the registry key "{4da4616d-7e6e-4fd9-a2d5-b6c535733e22}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Remove "c:\WINNT\SYSTEM32\mssearchnet.exe" from registry value "kernel32.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Remove "c:\WINDOWS\SYSTEM32\mssearchnet.exe" from registry value "kernel32.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Remove "F182C93D.exe" from registry value "kernel32.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
Remove "mscornet.exe" from registry value "wininet.dll" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\explorer\run\".
If Zlob.Downloader uses rootkit technologies, use our RegAlyzer (http://www.safer-networking.org/index.php?page=regalyzer), RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).

Browser:

The following browser plugins or items can either be removed directly in your browser, or through the help of e.g. Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) or RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer).

Please check your bookmarks for links to "www.topsoftwarefeed.com".
Please check your bookmarks for links to "sysprotectionpage.com".

There are more browser plugins or items that cannot be safely described in simple words. Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) to remove them.

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
Please read these instructions (http://forums.spybot.info/showthread.php?t=288) before requesting assistance,
Then start your own thread in the Malware Removal Forum (http://forums.spybot.info/forumdisplay.php?f=22) where a volunteer analyst will advise you as soon as available.