Miscreants have again adapted the Warezov Trojan horse to target Skype users, Websense Security Labs warned on Thursday.

The attack is similar to threats that target instant-messaging applications. A targeted Skype user will receive a chat message with the text “Check up this” and a link to a malicious executable called “file_01.exe” on a Web site, Websense said in an alert. If the user runs the file, several other files are downloaded and run, it said.

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