Worm:Win32/Vobfus.MD (Microsoft), Worm.Win32.VBNA.b (Kaspersky), Worm.Win32.VBNA (Ikarus)
Windows 2000, Windows XP, Windows Server 2003
27 Nov 2012
28 Nov 2012
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Remove the malware/grayware file dropped/downloaded by WORM_VOBFUS.SMJO
Scan your computer with your Trend Micro product and note files detected as WORM_VOBFUS.SMJO
Restart in Safe Mode
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.
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
Search and delete AUTORUN.INF files created by WORM_VOBFUS.SMJO that contain these strings
Search and delete this file
Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_VOBFUS.SMJO. 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.