Collection of Yara rules, hashes and other helpful resources for Zombieware--old viruses and worms that mainly survive and replicate on automatic sandbox systems, but are not in the wild anymore with the exception of systems that severily neglect basic security practices like having Windows XP and no antivirus scanner.
Zombieware is a burden on automatic analysis systems. At the same time identification of the family can be difficult because many of the older blog articles are no longer available.
Zombieware also distorts threat prevalence reports if they base their numbers on automatic sandbox systems. Zombieware appears disproportionately often in the top 10 of these reports and must be filtered.