Worm:Win32/Bagle.W@mm (Microsoft); W32/Bagle.z@MM (McAfee); W32.Beagle.W@mm (Symantec); Email-Worm.Win32.Bagle.y (Kaspersky); Email-Worm.Win32.Bagle.gen (v) (Sunbelt); I-Worm/Bagle.AA (AVG)
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.
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.
Search and delete these components
Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_BAGLE.X. 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 these deleted registry keys/values from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.