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Threat Encyclopedia

MENUETVIR

Malware type: Others

Aliases: MenuetOS.Tristesse(Symantec), Virus.Menuet.Tristesse.a(Kaspersky), MenuetOS.Tristess(Avira), MeOS/Tristess(McAfee)

In the wild: No

Destructive: No

Language: English

Platform: MenuetOS

Encrypted: No

Overall risk rating:

Reported infections:

Damage potential:

Low

Distribution potential:

Low

Description: 

This non-memory resident, direct-action malware infects MenuetOS 32-bit or 16-bit executable files. Upon execution, it seeks suitable files for infection in the current folder.

It infects the files by either appending or prepending its code, depending on the type of files found suitable for infection.

It uses an anti-heuristic routine to avoid detection.

It runs on the MenuetOS platform.

For additional information about this threat, see:

Description created: Nov. 26, 2004 2:14:51 AM GMT -0800
Description updated: Dec. 25, 2004 1:37:45 AM GMT -0800


TECHNICAL DETAILS


Size of malware: 1,572 Bytes

Initial samples received on: Nov 26, 2004

Details:

This non-memory resident, direct-action malware infects MenuetOS 32-bit or 16-bit executable files. Upon execution, it seeks suitable files for infection in the current folder.

It infects the files by either appending or prepending its code, depending on the type of files found suitable for infection.

It uses an anti-heuristic routine to avoid detection.





Analysis by: Crescencio Reyes


SOLUTION


Minimum scan engine version needed: 7.100

Pattern file needed: 2.320.05

Pattern release date: Nov 26, 2004


Important note: The "Minimum scan engine" refers to the earliest Trend Micro scan engine version guaranteed to detect this threat. However, Trend Micro strongly recommends that you update to the latest version in order to get comprehensive protection. Download the latest scan engine here.

Solution:

Running Trend Micro Antivirus

Systems infected with this malware can be cleaned by simply scanning for and cleaning files detected as MENUETVIR. To do this, Trend Micro customers must download the latest pattern file and scan their system. Other Internet users can use HouseCall, Trend Micro�s free online virus scanner.


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