2020 Antivirus DNS Encryption 
SecureList
MARCH 10, 2021
Back then, cybercriminals distributed malware under the guise of the Malwarebytes antivirus installer. After substituting the DNS servers, the malware starts updating itself by running update.exe with the argument self-upgrade (“C:Program Files (x86)AdShieldupdater.exe” -self-upgrade). Distributed under the name adshield[.]pro,
Krebs on Security
MARCH 28, 2021
Oddly, none of the several dozen antivirus tools available to scan the file at Virustotal.com currently detect it as malicious. Watson said the Krebsonsecurity file will attempt to open up an encrypted connection between the Exchange server and the above-mentioned IP address, and send a small amount of traffic to it each minute. .”
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Vipre
JANUARY 25, 2021
According to the independent institute AV-TEST , the number of total new malware in 2020 increased by 13% compared to the last year, and malware for macOS by 1200% for the same period. Thus, an antivirus is the most important security tool that everyone must have to protect themselves from viruses, malware, trojans, and similar cyber threats.
SecureList
DECEMBER 1, 2023
For most implants, the threat actor uses similar implementations of DLL hijacking (often associated with ShadowPad malware) and memory injection techniques, along with the use of RC4 encryption to hide the payload and evade detection. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications.
SecureList
JUNE 2, 2022
In 2020, we discovered a whole new distribution method for the WinDealer malware that leverages the automatic update mechanism of select legitimate applications. Layout of the encrypted data. Packets exchanged with the C2 server contain a header (described in the next table) followed by AES-encrypted data. 111.120.0.0/14
Fox IT
JUNE 2, 2020
Publicly discovered in late April 2020, the Team9 malware family (also known as ‘Bazar [ 1 ]’) appears to be a new malware being developed by the group behind Trickbot. Before proceeding to the technical analysis part, it is worth mentioning that the strings are not encrypted. Author: Nikolaos Pantazopoulos. Introduction.
SecureList
NOVEMBER 26, 2021
In June, more than six months after DarkHalo had gone dark, we observed the DNS hijacking of multiple government zones of a CIS member state that allowed the attacker to redirect traffic from government mail servers to computers under their control – probably achieved by obtaining credentials to the control panel of the victims’ registrar.
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