Win32.Cafeini falls under the category of backdoor Trojan. These programs are particularly dangerous because once inside they can give access to a hacker who will then have remote access to your machine. They can enter secretly and run silently which make them difficult to detect.
Remove at Once
If you want to remove Win32.Cafeini manually, you will need to stop all of the running processes and then remove all related files. Use caution, though, because manual removal does have some unwanted consequences if done improperly.
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