The following system changes may indicate the presence of this malware:
The presence of the following files:
TrojanDownloader:Win32/Nemim.gen!A is a trojan that downloads files, possibly malicious, on to your 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: