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Trojan:JS/Iframeinject.L


Trojan:JS/Iframeinject.L is the detection for malicious obfuscated Javascript malware usually found appended inside HTML pages.



What to do now

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

For more information on antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

Threat behavior

Trojan:JS/Iframeinject.L is the detection for malicious obfuscated Javascript malware usually found appended inside HTML pages.

Trojan:JS/Iframeinject.L may execute additional Javascript code that sends GET and POST requests, thereby changing the default behavior of the webpage being viewed.

Analysis by Jireh Sanico


Symptoms

There are no common symptoms associated with this threat. Alert notifications from installed antivirus software may be the only symptoms.


Prevention


Alert level: Severe
First detected by definition: 1.109.477.0
Latest detected by definition: 1.117.2303.0 and higher
First detected on: Jul 27, 2011
This entry was first published on: Jul 28, 2011
This entry was updated on: Aug 31, 2011

This threat is also detected as:
  • JS/Crypted.OG (Command)
  • JS/Agent.XI (Norman)
  • JS.Twetty.Gen (VirusBuster)
  • Trojan.JS.Agent.EHM (BitDefender)
  • JS.Click.232 (Dr.Web)
  • JS/Kryptik.BN trojan (ESET)
  • Trojan-Downloader.JS.Twetti (Ikarus)
  • Trojan-Downloader.JS.Twetti.k (Kaspersky)