Attack on Avast’s CCleaner Windows utility was much more extensive than it first appeared. Avast says it first learned of the attack on Sept. 12, via cybersecurity software firm Morphisec. Cisco’s Talos security wing says 700,000 systems were infected with a trojanized version of the utility. Security experts say the attack mirrors the NotPetya attack on M.E. Doc, in which hackers substituted a backdoored version of software. “The threat has now been resolved in the sense that the rogue server is down, other potential servers are out of the.”]
Source: https://www.cuinfosecurity.com/trojanized-avast-ccleaner-attack-targeted-major-tech-firms-a-10328