Sophos

Troj/Small-AT

Aliases
  • Trojan.Win32.Small.az
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Drops more malware
Protection available since 5 September 2004 11:13:05 (GMT)
Last updated 15 September 2004 10:57:52 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/Small-AT attempts to download a file from a remote website.

The Trojan drops and executes an HTML file called mt.html within the Program files folder. The HTML file contains embedded JavaScript which opens a file called mtrslib2.js at a remote URL. The file mtrslib2.js, in turn, exploits the codebase vulnerability to download a file to the victim's computer.

Troj/Small-AT attempts to terminate the processes rpas.exe and wnsapisu.exe and also attempts to delete the the following files in the Windows system folder:

rpas.exe, wnsapisu.exe, kuoreq.dll

The Trojan attempts to delete the following files from the Downloaded Program files folder:

MediaTicketsInstaller.INF
MediaTicketsInstaller.ocx

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