A week in security (January 19 – January 25)

Last week on Malwarebytes Labs: Spammers abuse Zendesk to flood inboxes with legitimate-looking emails, but why? Fake LastPass maintenance emails target users Under Armour ransomware breach: data of 72 million customers appears on the dark web Can you use too many LOLBins to drop some RATs?...

VS Code Forks Recommend Missing Extensions, Creating Supply Chain Risk in Open VSX

Popular artificial intelligence AI-powered Microsoft Visual Studio Code VS Code forks such as Cursor, Windsurf, Google Antigravity, and Trae have been found to recommend extensions that are non-existent in the Open VSX registry, potentially opening the door to supply chain risks when bad actors...

New Malware Hits 300,000 Users with Rogue Chrome and Edge Extensions

An ongoing, widespread malware campaign has been observed installing rogue Google Chrome and Microsoft Edge extensions via a trojan distributed via fake websites masquerading as popular software. "The trojan malware contains different deliverables ranging from simple adware extensions that hijack...

ViperSoftX InfoStealer Adopts Sophisticated Techniques to Avoid Detection

A significant number of victims in the consumer and enterprise sectors located across Australia, Japan, the U.S., and India have been affected by an evasive information-stealing malware called ViperSoftX. ViperSoftX was first documented by Fortinet in 2020, with cybersecurity company Avast...

Hackers Can Abuse Visual Studio Marketplace to Target Developers with Malicious Extensions

A new attack vector targeting the Visual Studio Code extensions marketplace could be leveraged to upload rogue extensions masquerading as their legitimate counterparts with the goal of mounting supply chain attacks. The technique "could act as an entry point for an attack on many organizations,"...