Android ransomware ‘Koler’ turns into a worm, spreads via SMS

A malicious Android app that takes over the screen of devices and extorts money from users with fake notifications from law enforcement agencies was recently updated with a component that allows it to spread via text message spam.

Known as Koler, the ransomware Trojan has been on malware researchers’ radar since May when it started being distributed through porn websites under the guise of legitimate apps. A new variant of the threat found recently by researchers from security firm AdaptiveMobile spreads through SMS messages that attempt to trick users into opening a shortened bit.ly URL.

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Story added 22. October 2014, content source with full text you can find at link above.