It was a trojan!
Ivan,
a) Unless you mis-copied or mis-typed the actual folder name, that is not a
normally expected folder name .
b) One cannot judge if it is or is not a virus/trojan/ or malware. But,
let's say it is suspecious.
c) Run an antivirus scan with your updated antivirus program.
d) Run an online check at Kaspersky online website and have it do a full
scan.
Close all your open programs. Temporarily disable your antivirus program.
Using your Internet Explorer, visit Kaspersky website and run the free
Kaspersky Anti-Virus Online Virus Scanner
http://usa.kaspersky.com/services/free-virus-scanner.php
Scan the system at Kaspersky.
The Kaspersky scanner will detect everything if you use extended settings as
described here :
http://aumha.net/viewtopic.php?t=15574
Make sure you save the results from the scan. *** do not post the log here,
but rather at an outside forum, like aumha.net
Re-activate your AV program.
d) Run more checks to see if you have other malware.
See <
http://www.elephantboycomputers.com/page2.html#Removing_Malware>
See The Parasite Fight Quick Fix Protocol at
http://www.aumha.org/a/quickfix.htm
See Dealing with Unwanted spyware and parasites at
http://mvps.org/winhelp2002/unwanted.htm