Pus.zip

Inside was a single file that looked like a PDF but was actually an executable program. The moment it was opened, several things happened simultaneously:

: It then used the office manager’s email account to send copies of itself (disguised as Pus.zip ) to everyone in her contact list, making the infection look like it came from a trusted source. Pus.zip

, especially those sent via email from unknown or unexpected sources. Inside was a single file that looked like