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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.
Once infected, a computer will be at the beck and call of the attacker and the Trojan horse will start sending messages to the victim's Skype contacts to propagate, Websense said. The attack is similar to one reported in February, but it has been adapted with files hosted at different locations and a new version of the malicious code, the security company said.
Skype has acknowledged in the past that its instant-messaging feature could be used for nefarious purposes just like any other IM service. The company has said that it is looking at partnerships with security firms to offer a capability for the Skype client that filters out malicious links.
"Harmful viruses and Trojan horses may damage a user's computer and collect private data, regardless of whether a person is using Skype, e-mail or IM clients," Kurt Sauer, Skype chief security officer, said Friday. Skype warned users against opening the malicious file and said they should take caution in general when opening attachments. The company also recommends using antivirus software to check incoming files, Sauer said.
Warezov, also known as Stration, has been around since at least September. Several variants of the malicious code have appeared. Miscreants have spread it via spam e-mail, as well as Skype.
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I recall that in the early days of anti-virus when McAfee was accused of unscrupulous tactics, creating viruses to sell their products. I suppose in today's market these claims are just as valid except they're not being mention because all the analysts, media outlets and whomever are making money from the hype.
Nuff said.
This time it was Skype, next time it will be Yahoo or Google or some other chat software.
Until security is built into IM... these exploits will contine.
Walt
PSTN phone number ("SkypeIn"). Other features availabe-some ofr modest fees-inlude voice mail/messaging, call forwarding, conferencing calling, chat, file transfer, and video.