Definition: "PCAT4" refers to a type of malware that spreads through email attachments, using fake attachments with embedded viruses or trojans. The term "pcat4" was first used by researchers in 2016 when they discovered the existence of this particular type of malware. Definition: A PCAT4 is a type of malicious software infection (MSI) that spreads via emails and attachments. It disguises itself as an attachment with embedded viruses or trojans, enabling it to spread across email directories without detection. This malware was discovered in 2016 when researchers used a computer virus scanner to find malware on thousands of email attachments sent from a fake email domain. The term "pcat4" is also commonly referred to as an attachment that contains a malicious code (AVH) or other malware that spreads through emails and attachments. The purpose of the PCAT4 is to infect e-mail accounts, steal sensitive data, and compromise network systems. It often targets individuals who are using compromised email accounts for convenience or to avoid logging in manually.

pcat4