Dude if Kaspersky has detected it..then Surely..either it has Blocked ,Qurentined/Deleted it.....plz tell me what exact message you get ..coz sometimes Kasper says the object is blocked..or Some times it says you dont have the right to access the File etc, so plz mention the error, also Update your AV..and do a Complete scan of your System , also Install Adware/Spybot for extra safety
BTW
Trojan-Downloader.Win32.Small.apc
Technical Details
This primitive Trojan is a Win32 file approximately 1117 bytes in size, packed using FSG. The unpacked files is approximately 28KB in size.
When it is launched, the Trojan downloads other malicious programs from addresses coded into its body. However, this does not happen every time the Trojan is launched; the frequency at which it will download other programs has been determined by the author of the program.
Once it has downloaded other programs, it will launch them on the victim machine, and then cease to function.
It does not manifest its presence in the system in any other way.