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Defunct Koler ransom Trojan attacked 200,000 Android users in matter of weeks

John E Dunn | July 31, 2014
The crude Koler.a ‘police ransom' Trojan that started attacking Android smartphone users in April has finally been knocked out of action by researchers but only after revealing the disturbing if brief scale of its global success.

Normally, news of malware targeting Android would be a sign of things to come, a warning to users of that platform. What Koler underlines is that criminals have moved far beyond that point and managed to reach out to 200,000 Android users before anyone even knew the attack existed.

At that point anyone whose smartphone became infected with the malware might have found even this simple piece of malware a pain to get rid of. The simplest method is always to boot the phone in safe mode after which it is possible to load (or not) apps one by one.


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