There has been a surge in activity surrounding the Xhelper Android ad dropper, with more than 45,000 devices being infected since the malware made its first appearance six months ago.

In the past month an average of 131 devices were infected each day, with about 2,400 devices persistently infected throughout the month. The malware mostly hits users in India, the U.S. and Russia.

Xhelper, first recognized by Malwarebytes, has lately attracted Symantec’s attention when it began to change from a simple malicious app that visited advertisements for monetization purposes to a more sophisticated one with the ability to connect to a C2 server and the ability to evade signature detection. Additionally, more people were found complaining about Xhelper on various forums complaining about the pop-up ads it generates.

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