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Trojan.IFrame.AQ

Spreading: medium
Damage: medium
Size: varies
Discovered: 2007 Dec 09

SYMPTOMS:

This is a script virus, and due to it's generic nature, there are no obvious symptoms. However, unusual internet traffic might be observed, as well as suspicious running processes and unwanted files.

TECHNICAL DESCRIPTION:

Trojan.IFrame.AQ is a small html code that opens a hidden browser window from address http://(removed)/test/test.html containing an Adodb.Stream exploit (detected by BitDefender as Exploit.ADODB.Stream.BU), which downloads and executes a binary file (also detected as Generic.Malware.dld!!.90566892). These files is a file that downloads from http://(removed)/000/ the file dnlsvc.exe (detected as Trojan.Hacktool.Rootkit.BR) and instals it.

Removal instructions:

Please let BitDefender disinfect your files.

ANALYZED BY:

Cristian Lungu, virus researcher