article thumbnail

Why Malware Crypting Services Deserve More Scrutiny

Krebs on Security

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. The registration records for the website Cryptor[.]biz ” Crypt[.]guru’s

Malware 212
article thumbnail

A Deep Dive Into the Residential Proxy Service ‘911’

Krebs on Security

These two software are currently unknown to most if not all antivirus companies.” “Using the internal router, it would be possible to poison the DNS cache of the LAN router of the infected node, enabling further attacks.” The Exe Clean service made malware look like goodware to antivirus products.

VPN 296
article thumbnail

Who’s In Your Online Shopping Cart?

Krebs on Security

Sometimes, antivirus products will detect the presence of these malicious scripts and block users from visiting compromised sites, but for better or worse none of the sites I mentioned here currently are flagged as malicious by any of the more than five dozen antivirus tools at the file-scanning service virustotal.com.

Antivirus 224