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January 29, 2020
In December, Dr.Web server statistics revealed an increase in the total number of threats by 83.26% compared with the previous month. The number of unique threats dropped only slightly by 0.75%. Adware and unwanted programs still occupy the top spot for detected threats. The most common threat found in email traffic was malware that exploits vulnerabilities in Microsoft Office documents.
The number of requests to decrypt files effected by trojan encoders has slightly decreased. Trojan.Encoder.26996 was the most active encoder, accounting for 22.62% of all incidents.
The most common threats in December:
In December, Doctor Web’s technical support service most commonly dealt with the following trojan encoders:
In December 2019, Doctor Web added 162,535 URLs to the Dr.Web database of non-recommended websites.
|November 2019||December 2019||Dynamics|
|+ 162 581||+ 162 535||- 0.03%|
In December, cybercriminals also continued spreading new modifications of Android.Joker malware on Google Play. These trojans subscribe victims to paid services and execute arbitrary code at the request of the Command and Control server. On top of that, Doctor Web virus analysts detected additional malicious software that ran arbitrary code and launched other malicious modules.
The most noteworthy December event relating to mobile malware was the detection of new threats on Google Play.