This is a Trojan detection. Unlike viruses, Trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.
Avast - JS:Iframe-ABQ
Avira - JS/Redirect.CH Java script
Ikarus - Trojan.JS.Medfos
Microsoft - Trojan:JS/Medfos.B
Indication of Infection
The presence of above mentioned activities.
Methods of Infection
Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, email spam, etc.