Brazilian firms are the latest targets in a spam campaign delivering CHM help files hiding links to bank Trojans. Security researchers are warning of a new spam campaign targeting Brazilian ...

Need a Help file? Hopefully it’s not one that includes ransomware. Malware researchers from Bitdefender Labs reported that Help files are the latest way cybercriminals are locking up PCs with ...

What steps do I need to take to change the default action on Windows XP and Windows 7 when someone tries to open a CHM file? I want the file extension to be associated with notepad.exe for ALL users.

A new version of the Masslogger trojan has been targeting Windows users – now using a compiled HTML (CHM) file format to start the infection chain. Cybercriminals are targeting Windows users with a ...

Threat actors are hiding Vidar spyware inside Microsoft Compiled HTML Help files. Vidar can be used to steal information from a person's PC. An email campaign claims to have a document that people ...