Fake security bulletin contains links to enable an attacker complete control of infected computers of malicious code.
Security researchers said in the report, emerging spam itself as a Microsoft security bulletin, which contains a point to allow the attacker complete control of an infected computer links to malicious code.
The spam is to begin later this week, the second transmission on the Internet, it pretended to be a "Microsoft Security Bulletin MS05-039", contains a link to the so-called amendment was Sober Zafi and Mytob the use of patches for software .
Security firm F-Secure Corporation Mikko Hypponen, director of antivirus research that, in fact, Microsoft has never issued a "Microsoft Security Bulletin MS05-039", a real Microsoft security bulletins provides a download link to its website, rather than the patch itself.
According to security research firm WebSense Inc., said in a report, the fake patch actually SDBot Trojan horse virus, a variant of the current anti-virus software can not killing it.
Hypponen said that as the server hosting the malicious code has been inactive, so download it a very low risk. Hosted by the ThePlanet.com this server has exceeded the bandwidth allows. However, he pointed out that if the attacks happen again, I would not be surprised.