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June 19, 2020
The May analysis of Dr. Web’s statistics revealed a 25.59% decrease in the total number of threats compared to the previous month. The number of unique threats also dropped by 5.35%. Users were mostly exposed to adware and malware downloaders. Email traffic was dominated by malware that exploits vulnerabilities in Microsoft Office programs. In addition, the most common threats still included the Trojan.SpyBot.699 multi-module banking trojan, as well as malicious HTML documents that were distributed as attachments and redirected users to phishing websites.
In May, the number of user requests to decrypt files affected by encoders decreased by 4.18% compared with April. Thus, statistics revealed a decrease in ransomware activity for the first time since the beginning of the year. Trojan.Encoder.26996 was the most active encoder, accounting for 28.94% of all incidents.
The most common threats in May:
In May, Doctor Web’s virus laboratory registered 4.18% less requests to decode files encoded by trojan ransomware than in April.
In May 2020, Doctor Web added 107,082 URLs to the Dr.Web database of non-recommended websites.
The total number of May threats on Android devices increased by just over 3% as compared to April. Doctor Web malware analysts detected a variety of new threats on the Google Play catalog. These include new versions of Android.HiddenAds adware, as well as various modifications of the Android.Joker family, which subscribed victims to paid services and ran arbitrary code.
Additionally, new records were added to the Dr.Web virus database to detect various banking trojans, as well as a spyware trojan that was distributed as a program for tracking COVID-19 infection statistics. At the end of the month, our specialists uncovered the Android.FakeApp.176 malware, distributed under the guise of the Valorant mobile game. It was used for illegal monetization via affiliate services.
The following May events related to mobile malware are the most noteworthy:
Find out more about malicious and unwanted programs for mobile devices in our special overview.