WORM_AUTORUN.SMF
Trojan:Win32/Vindor.B (Microsoft); New Malware.d !! (McAfee); W32.Pajetbin (Symantec); Worm.Win32.AutoRun.vx (Kaspersky); Trojan.Win32.Generic.pak!cobra (Sunbelt); Found Luhe.Malum.A.dropper (AVG)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
Arrival Details
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This worm creates the following folders:
- %System Root%\905c0769f9a06c95a24ddf945
(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
WinFirewall = "%System Root%\905c0769f9a06c95a24ddf945\patcher.exe"
Other System Modifications
This worm deletes the following files:
- %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\setup.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroBroker.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32Info.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroTextExtractor.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
- %Program Files%\Adobe\Reader 10.0\Reader\Eula.exe
- %Program Files%\Adobe\Reader 10.0\Reader\LogTransport2.exe
- %Program Files%\Adobe\Reader 10.0\Reader\PDFPrevHndlrShim.exe
- %Program Files%\Adobe\Reader 10.0\Reader\reader_sl.exe
- %Program Files%\Common Files\Adobe\ARM\1.0\AcrobatUpdater.exe
- %Program Files%\Common Files\Adobe\ARM\1.0\AdobeARM.exe
- %Program Files%\Common Files\Adobe\ARM\1.0\ReaderUpdater.exe
- %Program Files%\Common Files\Microsoft Shared\DW\DW20.EXE
- %Program Files%\Common Files\Microsoft Shared\DW\DWTRIG20.EXE
- %Program Files%\Common Files\Microsoft Shared\MSInfo\msinfo32.exe
- %Program Files%\Common Files\Microsoft Shared\Speech\sapisvr.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwconn1.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwconn2.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwrmind.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwtutor.exe
- %Program Files%\Internet Explorer\Connection Wizard\inetwiz.exe
- %Program Files%\Internet Explorer\Connection Wizard\isignup.exe
- %Program Files%\Internet Explorer\iedw.exe
- %Program Files%\Internet Explorer\IEXPLORE.EXE
- %Program Files%\Messenger\msmsgs.exe
- %Program Files%\Movie Maker\moviemk.exe
- %Program Files%\MSN\MSNCoreFiles\Install\MSN9Components\Digcore.exe
- %Program Files%\MSN\MSNCoreFiles\Install\MSN9Components\Msncli.exe
- %Program Files%\MSN\MSNCoreFiles\Install\msnsusii.exe
- %Program Files%\MSN Gaming Zone\Windows\bckgzm.exe
- %Program Files%\MSN Gaming Zone\Windows\chkrzm.exe
- %Program Files%\MSN Gaming Zone\Windows\hrtzzm.exe
- %Program Files%\MSN Gaming Zone\Windows\Rvsezm.exe
- %Program Files%\MSN Gaming Zone\Windows\shvlzm.exe
- %Program Files%\MSN Gaming Zone\Windows\zClientm.exe
- %Program Files%\NetMeeting\cb32.exe
- %Program Files%\NetMeeting\conf.exe
- %Program Files%\NetMeeting\wb32.exe
- %Program Files%\Outlook Express\msimn.exe
- %Program Files%\Outlook Express\oemig50.exe
- %Program Files%\Outlook Express\setup50.exe
- %Program Files%\Outlook Express\wab.exe
- %Program Files%\Outlook Express\wabmig.exe
- %Program Files%\Windows Media Player\migrate.exe
- %Program Files%\Windows Media Player\mplayer2.exe
- %Program Files%\Windows Media Player\setup_wm.exe
- %Program Files%\Windows Media Player\wmplayer.exe
- %Program Files%\Windows NT\Accessories\wordpad.exe
- %Program Files%\Windows NT\Pinball\PINBALL.EXE
- %Program Files%\Windows NT\dialer.exe
- %Program Files%\Windows NT\hypertrm.exe
- %Program Files%\WinPcap\rpcapd.exe
- %Program Files%\WinPcap\Uninstall.exe
- %Windows%\$MSI31Uninstall_KB893803v2$\spuninst\spuninst.exe
- %Windows%\$MSI31Uninstall_KB893803v2$\msiexec.exe
- %Windows%\$NtUninstallWIC$\spuninst\spuninst.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\ComSvcConfig\bb3c2f59a821abc54f420f3a9e051d6a\ComSvcConfig.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\dfsvc\837fe02bdcf637d5bf1e5ffb935ebb80\dfsvc.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\MSBuild\aa99ebdd26e5d493fec18b1714458782\MSBuild.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\PresentationFontCac#\4ce7fd62d4107fbe996ab305eb21ee6a\PresentationFontCache.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\ServiceModelReg\feac66e81309d67b48f7a9f4cb98f7c8\ServiceModelReg.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\SMSvcHost\a098c66aa40d958878f3f5344e6ae1a4\SMSvcHost.ni.exe
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Windows% is the Windows folder, which is usually C:\Windows.)
This report is generated via an automated analysis system.
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Restart in Safe Mode
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- WinFirewall = "%System Root%\905c0769f9a06c95a24ddf945\patcher.exe"
Step 4
Search and delete this folder
- %System Root%\905c0769f9a06c95a24ddf945
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_AUTORUN.SMF. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 6
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %User Profile%\{AC76BA86-7AD7-1033-7B44-AA0000000001}\setup.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroBroker.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroRd32Info.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AcroTextExtractor.exe
- %Program Files%\Adobe\Reader 10.0\Reader\AdobeCollabSync.exe
- %Program Files%\Adobe\Reader 10.0\Reader\Eula.exe
- %Program Files%\Adobe\Reader 10.0\Reader\LogTransport2.exe
- %Program Files%\Adobe\Reader 10.0\Reader\PDFPrevHndlrShim.exe
- %Program Files%\Adobe\Reader 10.0\Reader\reader_sl.exe
- %Program Files%\Common Files\Adobe\ARM\1.0\AcrobatUpdater.exe
- %Program Files%\Common Files\Adobe\ARM\1.0\AdobeARM.exe
- %Program Files%\Common Files\Adobe\ARM\1.0\ReaderUpdater.exe
- %Program Files%\Common Files\Microsoft Shared\DW\DW20.EXE
- %Program Files%\Common Files\Microsoft Shared\DW\DWTRIG20.EXE
- %Program Files%\Common Files\Microsoft Shared\MSInfo\msinfo32.exe
- %Program Files%\Common Files\Microsoft Shared\Speech\sapisvr.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwconn1.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwconn2.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwrmind.exe
- %Program Files%\Internet Explorer\Connection Wizard\icwtutor.exe
- %Program Files%\Internet Explorer\Connection Wizard\inetwiz.exe
- %Program Files%\Internet Explorer\Connection Wizard\isignup.exe
- %Program Files%\Internet Explorer\iedw.exe
- %Program Files%\Internet Explorer\IEXPLORE.EXE
- %Program Files%\Messenger\msmsgs.exe
- %Program Files%\Movie Maker\moviemk.exe
- %Program Files%\MSN\MSNCoreFiles\Install\MSN9Components\Digcore.exe
- %Program Files%\MSN\MSNCoreFiles\Install\MSN9Components\Msncli.exe
- %Program Files%\MSN\MSNCoreFiles\Install\msnsusii.exe
- %Program Files%\MSN Gaming Zone\Windows\bckgzm.exe
- %Program Files%\MSN Gaming Zone\Windows\chkrzm.exe
- %Program Files%\MSN Gaming Zone\Windows\hrtzzm.exe
- %Program Files%\MSN Gaming Zone\Windows\Rvsezm.exe
- %Program Files%\MSN Gaming Zone\Windows\shvlzm.exe
- %Program Files%\MSN Gaming Zone\Windows\zClientm.exe
- %Program Files%\NetMeeting\cb32.exe
- %Program Files%\NetMeeting\conf.exe
- %Program Files%\NetMeeting\wb32.exe
- %Program Files%\Outlook Express\msimn.exe
- %Program Files%\Outlook Express\oemig50.exe
- %Program Files%\Outlook Express\setup50.exe
- %Program Files%\Outlook Express\wab.exe
- %Program Files%\Outlook Express\wabmig.exe
- %Program Files%\Windows Media Player\migrate.exe
- %Program Files%\Windows Media Player\mplayer2.exe
- %Program Files%\Windows Media Player\setup_wm.exe
- %Program Files%\Windows Media Player\wmplayer.exe
- %Program Files%\Windows NT\Accessories\wordpad.exe
- %Program Files%\Windows NT\Pinball\PINBALL.EXE
- %Program Files%\Windows NT\dialer.exe
- %Program Files%\Windows NT\hypertrm.exe
- %Program Files%\WinPcap\rpcapd.exe
- %Program Files%\WinPcap\Uninstall.exe
- %Windows%\$MSI31Uninstall_KB893803v2$\spuninst\spuninst.exe
- %Windows%\$MSI31Uninstall_KB893803v2$\msiexec.exe
- %Windows%\$NtUninstallWIC$\spuninst\spuninst.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\ComSvcConfig\bb3c2f59a821abc54f420f3a9e051d6a\ComSvcConfig.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\dfsvc\837fe02bdcf637d5bf1e5ffb935ebb80\dfsvc.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\MSBuild\aa99ebdd26e5d493fec18b1714458782\MSBuild.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\PresentationFontCac#\4ce7fd62d4107fbe996ab305eb21ee6a\PresentationFontCache.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\ServiceModelReg\feac66e81309d67b48f7a9f4cb98f7c8\ServiceModelReg.ni.exe
- %Windows%\assembly\NativeImages_v2.0.50727_32\SMSvcHost\a098c66aa40d958878f3f5344e6ae1a4\SMSvcHost.ni.exe
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