Beware fake Microsoft alerts regarding Conficker worm

Graham Cluley
@gcluley

We are seeing a large number of malicious emails in our spam traps, pretending to contain advice regarding the Conficker worm.

Here is a typical message:

Subject: Conflicker.B Infection Alert
Attached file: install.zip
Message body:

Dear Microsoft Customer,

Starting 18/10/2009 the “˜Conficker’ worm began infecting Microsoft customers unusually rapidly. Microsoft has been advised by your Internet provider that your network is infected.

To counteract further spread we advise removing the infection using an antispyware program. We are supplying all effected Windows Users with a free system scan in order to clean any files infected by the virus.

Please install attached file to start the scan. The process takes under a minute and will prevent your files from being compromised. We appreciate your prompt cooperation.

Regards,
Microsoft Windows Agent #2 (Hollis)

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.