ESET has detected a new dangerous variant of a trojan malware as Win32/Delf.QCZ started to spread via Facebook chat. The highest infection ratio registered in Central and Eastern Europe, Thailand and Malasya, and malware spreads fast to Middle East.
With the Win32/Delf.QCZ trojan the incriminated message one receives starts with "Hi how are you" which is purportedly sent by one of the user's friend list, but in fact is a bot communicating directly, even referring to the user himself in conversation. Additionally, it carries a malicious video link that also mentions the user by name. The user is then prompted to install a Flash player which serves to download the malware.
"So how can one protect oneself against this dangerous trojan? First of all, communication with it on Facebook chat is out of the question as it is a computer bot. For non-English language countries, one tell-tale sign might be already that a friend is communicating in English. Second, the video link imitating YouTube looks suspicious as well," said, ESET Malware Researcher Robert Lipovsky.
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