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Skype users, Beware a new Trojan that uses subtle social engineering tricks to try to steal your login credentials

The malware, which calls itself ‘Skype Defender’, poses as a security plug-in. Infected users are prompted to log-into their Skype accounts. Cleverly the Trojan displays what looks like a Skype login screen, the internet telephony company warns.

If a user enters his Skype username and password, the Trojan displays a message saying that the name and password are unrecognized.

Behind the scenes, this information – as well as all usernames and passwords saved in Internet Explorer – is sent to a hacker-controlled website. By compromising user Skype accounts, hackers gain access to SkypeOut credits, which might be resold, and a possible means to access the PayPal accounts used to pay for those credits.

F-Secure, TrendMicro, Symantec, WebSense, and FaceTime Security Labs have added detection for the Trojan. F-Secure, for example, describes it as the Skyper-B Trojan.

In recent months Skype’s Instant messaging client has occasionally been misused as a vector to spread malware. None have been particularly effective. The Skyper-B Trojan is a more serious threat because it is capable of causing victims direct financial loss, a factor that fits in with the wider shift towards malware for profit as an engine for virus creation.

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2 Comments

  1. The Skype.B Trojan is not a plugin.. It mimics the Skype interface to trick you to enter your login id and password.. Although not impossible, based in plugin sdk architecture, plugins have no way to directly access login id and password entered in Skype..

    -TheArsonist-

  2. Well its like a fake plug in! thanks for the comment!


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