The Phorpiex botnet earned the infamous designation of “most needed malware” for the month of November 2020.

In its World Menace Index for November 2020, Test Level Analysis revealed that it had noticed a surge in new Phorpiex botnet infections that had affected 4 % of organizations globally.

This risk exercise enabled Phorpiex to return to Test Level Analysis’s month-to-month malware record for the primary time since June 2020. It additionally succeeded in pushing the risk to the highest of that roundup.

Found in 2010, Phorpiex has a historical past of distributing different malware households resembling GandCrab ransomware together with sextortion scams.

The assaults detected by Test Level Analysis concerned Avaddon ransomware because the botnet’s payload. Such exercise might be the results of the crypto-malware gang’s rising associates program. As defined by the safety agency:

Avaddon is a comparatively new Ransomware-as-a-Service (RaaS) variant, and its operators have once more been recruiting associates to distribute the ransomware for a reduce of the earnings. Avaddon has been distributed through JS and Excel recordsdata as a part of malspam campaigns and is ready to encrypt a variety of file varieties.

Behind Phorpiex got here Dridex and Hiddad. The previous is a trojan that reportedly makes use of spam e-mail attachments for distribution with the intention to steal info off of and execute arbitrary modules on contaminated Home windows machines. The latter is an Android risk that conceals itself inside repackaged cellular apps provided on third-party app marketplaces with the intention to show advertisements to its victims.

The World Menace Index for November 2020 discovered that each Phorpiex and Dridex had affected three % of organizations globally.

A screenshot from Test Level Analysis’s World Menace Index for November 2020.

This information highlights the necessity for organizations to defend themselves in opposition to threats resembling Phorpiex, Dridex and Hiddad.

They will achieve this by familiarizing themselves with a few of the most typical varieties of phishing assaults which might be in circulation as we speak and taking steps to forestall a ransomware an infection. They will additionally put money into an answer that may assist to determine suspicious recordsdata inside a quarantined atmosphere.