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Trojan-Downloader:HTML/IFrame.SU

First posted on 05 September 2008.
Source: SecurityHome

Aliases :

There are no other names known for Trojan-Downloader:HTML/IFrame.SU.

Explanation :

This type of trojan secretly downloads malicious files from a remote server, then installs and executes the files.

right]This malware will only affect a user who is browsing a malicious website, or a legitimate website which has been compromised. Unlike more straightforward trojan-downloaders, this malware does not directly download the malicious files itself, but rather redirects the user to malicious websites which perform the actual download automatically.

Upon execution, this malware uses "Iframe" tags to redirect the user to the malicious websites. Which website the user is redirected to depends on the browser being used:

• If the user is using Internet Explorer, they will be redirected to http://jzm015.cn/[Removed]link.html, then http://www.hby005.cn/[Removed]2.htm.
• If the user is using any other browser, they will be redirected to http://jzm015.cn/[Removed]link.html, then http://www.hby005.cn/[Removed]2.htm

Whichever route the user is forced to take, visitors are automatically subjected to a drive-by download. The malicious files forcibly (and secretly) downloaded onto the user's machine can be any of the following: Trojan-Downloader:JS/Agent.CTL, Trojan-Downloader:JS/Agent.CTK or Trojan-Downloader.HTML.IFrame.sv.

Last update 05 September 2008

 

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