Win32:Agent-AYBM [PUP] is detected as a Trojan horse that will perform a series of malicious actions on your PC. For instance, it is capable of deleting your system files or add unwanted codes or files to your PC. You are not able to notice its malicious actions until your antivirus reports to you. What's more, special technique will be used to track your online activities. Sometimes, your sensitive data will be stolen and used to steal money from you. Therefore, the time you notice Win32:Agent-AYBM [PUP] in your PC, try all the means to get rid of it from your PC.