Alert notifications or detections of this malware from installed antivirus or security software may be the only other symptoms.
PWS:Win32/Karagany.A is a DLL file that steals FTP credentials from certain programs, if they are installed in the computer.
What to do now
To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat: