Psyf.171 is a backdoor software program that allows the attacker to take control of a compromised PC and use it for malicious purposes. Psyf.171 enables the hacker to collect private information, modify network settings, and delete or disable system files that are necessary for proper operation. Psyf.171 may also install more malware on your PC.
This is a dangerous trojan that must be removed. Your computer may become slow, and not perform well in general. To remove Psyf.171 manually, you must kill all associated running processes. You must then locate all related files and values in the Windows registry and other locations in order to delete them. Manual removal is not advised due to the risk of severe damage to your computer. To remove Psyf.171 automatically, it is suggested that you use a reputable antispyware tool such as Spyzooka, which is designed for this purpose.