1260 Type Subtype Creator(s) Date Place of Origin Source Language Platform File Type Aliases Family File Size Infection Size Infection Impact Reported Costs MD5 Hash SHA1 Hash CRC32 Hash Virus.DOS.1260, also known as V2PX, is a memory-resident DOS virus that used a form of polymorphic encryption. This virus was written in 1989, but gone to wild in 1990.