Sophisticated Viknok Malware Proves That Click-fraud Is Still a Moneymaker for Scammers

Symantec has spotted a recent surge of infections of Trojan.Viknok, which can gain elevated operating system privileges in order to add compromised computers to a botnet. Trojan.Viknok, first observed in April 2013, infects dll files with a malicious payload. Since its initial discovery, the malware has evolved into a sophisticated threat, capable of obtaining elevated operating system privileges in order to infect system files on multiple Windows operating systems, such as the 32 and 64-bit versions of Windows XP, Vista and 7.

Attackers have been observed using Viknok-infected computers to carry out Adclick fraud.

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