Petya Ransomware Installs Mischa As Failsafe

The Petya ransomware strain signaled a new escalation for crypto-malware when it surfaced in March. For the first time, ransomware went beyond encrypting files on local and shared drives and instead set its sights on locking up the Master File Table on compromised machines. Petya did have its...

Researchers Learning More About Petya Ransomware

Researchers are digging through samples of the Petya ransomware, and while they’ve learned some about its inner workings, they still haven’t mastered enough to come up with a decryptor. Petya is the latest twist on crypto-malware. It was found recently targeting companies in Germany in a spam...

Petya Ransomware Master File Table Encryption

First ransomware locked your desktop. Then it encrypted your files. Not long after, webservers, shared drives and backups were targeted. Now? Introducing Petya, ransomware that targets the Master Boot Record. Spotted in email campaigns sent to human resources offices in German companies, the...

CVE-2005-3177

CHKDSK in Microsoft Windows 2000 before Update Rollup 1 for SP4, Windows XP, and Windows Server 2003, when running in fix mode, does not properly handle security descriptors if the master file table contains a large number of files or if the descriptors do not satisfy certain NTFS conventions,...