[KB6550] ESET detects trojan in CCleaner tool

Issue

  • Media reports on September 18, 2017 that a version of Piriform's CCleaner contains a trojan
  • ESET detects the threat as Win32\CCleaner.A and Win32\CCleaner.B (also identified as Floxif)
  • Infected versions include CCleaner version 5.33.6162 and CCleaner Cloud version 1.07.3191

Solution

ESET products detect and block the reported trojan in the CCleaner tool.

We recommend that you check that you are running the latest version of the CCleaner product.