Malware Security Alerts Weekly Report for September 12 - September 18, 2021

This week, the SpyHunter malware research team has highlighted a weekly roundup of common and critical malware threats that are currently affecting computers around the world. Take a look at this week's report and stay ahead of trending malware threats!

This Week in Malware Video

This episode discusses the following topics: The STOP/Djvu Ransomware threat gets a new EDFC Ransomware variant, the file sharing site could expose users to malicious content, and the "DNS Server Isn't Responding" error prevents users from accessing websites. 

Malware Security Alerts of the Week


ReceiverHelper is a potentially unwanted program that may lead to the loading of unwanted adware or alerts offering various features for supposedly improving the search feature of web browsers or search sites.. Read more



ransomwareEdfc Ransomware
Edfc Ransomware is a newer variant of the STOP/Djvu Ransomware family of threats that is known for its aggressive nature of attacking a system only to demand a ransom be paid to restore files it has encrypted. Read more



OperativeEngine is a browser hijacker that could easily modify Internet settings on a Mac computer where its browsers will load unwanted pages or cause redirects to sites that have questionable content. Read more is a website that is known for file-sharing services but has recently been found to be a culprit having malicious content and leading computer users to malicious files and serious threats that may be installed from random downloads. Read more

This Week's Most Interesting Computer Security and Malware News

  Ryuk Ransomware Affiliates Exploiting Windows MSHTML Bug
The Ryuk Ransomware threat and its bad actors were found to be part of a campaign of exploiting a bug within the Windows operating system's MSHTML infrastructure. Read more
  Number of Schoolchildren Losing Personal Data on the Rise
A recent study has found that the number of school-aged children losing personal dat ahas been on a steep incline causing the need for alarm and action to prevent such consequential situations. Read more

Screenshots & Other Imagery

Malware Security Alerts Weekly Report for September 12 - September 18, 2021 Screenshots