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May 22, 2020
In April, an analysis of Dr. Web’s statistics revealed a 34.5% decrease in the total number of threats compared to the previous month. The number of unique threats dropped by 11.42%. Adware and malware browser extensions still made up the majority of detected threats. The Trojan.SpyBot.699 banking trojan along with malware that exploits vulnerabilities in Microsoft Office programs were the most frequently detected malicious software in email traffic. In addition, the most common threats included malicious HTML documents distributed as email attachments and redirecting users to phishing websites.
In April, the number of user requests to decrypt files affected by encoders increased by 34.27% compared with March. Trojan.Encoder.26996 was the most active encoder, accounting for 32.71% of all incidents.
The most common threats in April:
In April, Doctor Web’s virus laboratory registered 34.27% more requests to decode files encoded by trojan ransomware than in March.
In April 2020, Doctor Web added 140,188 URLs to the Dr.Web database of non-recommended websites.
|March 2020||April 2020||Dynamics|
|+ 186,881||+ 140,188||- 24.99%|
In April, the total number of threats on Android devices increased by 16.46%, as compared to March. The Doctor Web laboratory uncovered new threats on the Google Play catalog. These include other modifications of the Android.Circle family, which spread under the guise of harmless applications and were executing criminal commands. In addition, Doctor Web virus analysts added new signatures for the Android.HiddenAds.2124 advertising trojan and the Android.Joker.164 malware program, which subscribed victims to paid services and ran arbitrary code.
The following April events related to mobile malware are the most noteworthy:
Find out more about malicious and unwanted programs for mobile devices in our special overview.