Analysis by: Karl Dominguez
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  TECHNICAL DETAILS

NOTES:
This is a Trend Micro detection for files with incomplete infection of PE_ZMIST.Ax. Because of the complexity of PE_ZMIST.Ax infection process, some hosts files are left with garbage instructions but without the virus code. Files detected as TROJ_ZMISTx are benign and nondestructive, and are not able to infect other files.

  SOLUTION

Minimum Scan Engine: 8.900

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Identify and delete files detected as TROJ_ZMISTx using either the Startup Disk or Recovery Console

[ Learn More ]

Step 3

Restore files 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 your computer again.


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