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TrojanDownloader:ASX/Wimad.BP


First posted on 06 July 2009.
Source: SecurityHome

Aliases :

There are no other names known for TrojanDownloader:ASX/Wimad.BP.

Explanation :

TrojanDownloader:ASX/Wimad is a detection for malicious Windows media files that are used in order to encourage users to download and execute arbitrary files on an affected machine. When opened with Windows Media Player, these malicious files open a particular URL in a web browser.

Symptoms
There are no obvious symptoms that indicate the presence of this malware on an affected machine.

TrojanDownloader:ASX/Wimad is a detection for malicious Windows media files that are used in order to encourage users to download and execute arbitrary files on an affected machine. When opened with Windows Media Player, these malicious files open a particular URL in a web browser.

Installation
TrojanDownloader:ASX/Wimad.BP is a malicious Advanced Streaming Format (ASF) file, which when opened by Windows Media Player, urges a user to download and execute an arbitrary file.In the wild, files detected as TrojanDownloader:ASX/Wimad.BP have been observed being distributed with file extensions such as .MP3 .ASF .WMA and .ASX. The file names used have been varied and enticing. Wimad.BP attempts to contact funsiteshere.com, which redirects affected users to mediapass.bignetdaddy.com.

We strongly suggest that users avoid downloading and executing any files when prompted by Windows Media Player upon opening streaming format files.

Analysis by David Wood

Last update 06 July 2009

 

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