Trojan:Win32/Alureon.CT (Microsoft); DNSChanger.as (McAfee); Packed.Vuntid!gen1 (Symantec); Trojan.Win32.TDSS.axie (Kaspersky); Trojan.Win32.Alureon.ct.1 (v) (Sunbelt); Gen:Heur.Krypt.8 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Search and delete this file
Scan your computer with your Trend Micro product to delete files detected as TROJ_VUNDO.SMAT. 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.
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.