KillDisk wiper malware sets sight on Latin American financial organisations

News by Robert Abel

A new variant of the disk wiping malware KillDisk is targeting financial firms in Latin America to wreak havoc without leaving so much as a note.

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A new variant of the disk wiping malware KillDisk is targeting financial firms in Latin America to wreak havoc without leaving so much as a note.

Trend Micro researchers are still analysing TROJ_KILLDISK.IUB, the latest version of the malware used in cyber-attacks launched in late December 2015 against Ukraine's energy, banking, rail, and mining industries, according to a Monday blog post.

Researchers noted the version has a “self-destruct” feature which doesn't really delete itself, but renames its file while running. The malware also uses a hard-coded file path meaning that it is tightly coupled with its installer.

Initial analysis suggests the malware may be a part of a larger payload, but researchers have yet to confirm that.  

To prevent infection, researchers recommend users keep systems up to date, check their backups, enforce principle of least privilege, and deploy security mechanisms such as application control/whitelisting and behaviour monitoring.

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