Win32.Chupa would fall under the category of Backdoor Trojan.  This means that it has both backdoor and Trojan characteristics.  It can enter secretly (its Trojan traits) and will then open a backdoor, which allows an additional intruder to enter.  This can be extremely dangerous because it is possible that this intruder can steal passwords, logins and other vital information.

Recommended Action:
Remove at Once

AKA:
Backdoor.Win32.Chupa
Backdoor.Chupa
BackDoor-CQ.cli
Trojan Horse
BackDoor.Chupa
Troj/Chupacab
Backdoor:Win32/Chupa
BKDR_CHUPA.A
TR/Chupa.Cli
Win32:Chupacabra
BackDoor.Chupa
Backdoor.Chupa
Trojan.Chupa
Bck/Chupacabra
Win32/Chupa

Manual Removal:
Remove Win32.Chupa manually by killing all running processes and removing any related files.

However, for a more safe and secure method of removal, you can use ZookaWare PC Cleaner to clear ALL spyware from your system.  Manual removal will remove one program but ZookaWare PC Cleaner can eliminate all problems immediately.  ZookaWare PC Cleaner is a respected and trusted leader in the spyware removal industry.  For fast and lasting results, try ZookaWare PC Cleaner.

Related Files:
N/A