Malicious Help File Disguised as COVID-19 Infectee Notice Being Distributed in Korea

The ASEC analysis team introduced readers to malware that takes the form of a Windows help file (*.chm) about two weeks ago. The malicious CHM file that was recently discovered is disguised as a notice for people infected with COVID-19 and is being distributed to Korean users. The attacker is probably distributing the file in such a form because Korea has recently seen a surge in COVID-19 case numbers. The name of the file that is being distributed is shown … Continue reading Malicious Help File Disguised as COVID-19 Infectee Notice Being Distributed in Korea