Trojan:Win32/VB.IQ is a trojan downloader dropped by another malware detected as Trojan:Win32/VB.IQ.dr
. It connects to certain web servers to download other malware.
As of this writing, exploits for the Pointer Reference Memory Corruption Vulnerability in Internet Explorer are known to drop this trojan in vulnerable systems. Microsoft released Security Bulletin MS08-078
on December 17, 2008 that fixes this vulnerability. Microsoft recommends that users apply this update immediately. Users are advised to refer to Microsoft Security Bulletin MS08-078
for more information.