- February 11, 2003
- February 13, 2007 11:57:36 AM
Lifeform.2054 is a memory-resident DOS virus that infects .com files.
The virus is encrypted using a simple polymorphic one-byte xor encryption. This means that the key will change between infections. The decryption routine for this virus contains several simple antidebugging tricks.
NOTE: Definitions that have dates earlier than February 11, 2003, detect this virus as BloodHound.ResCOM.
Antivirus Protection Dates
Initial Rapid Release version February 11, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version February 11, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date February 12, 2003
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Neal Hindocha