Troj/Bckdr-QMZ is a Trojan for the Windows platform.
When Troj/Bckdr-QMZ is installed the following files are created:
<Program Files>\Internet Explorer\dnsw\lexplore.exe, which is detected as Mal/Heuri-E.
<Program Files>\Internet Explorer\dnsw\r_s.exe, which is also detected as Troj/Bckdr-QMZ.
<Program Files>\Internet Explorer\dnsw\zlib.dll, which is clean file and can be safely removed.
<Program Files>\Messenger\msmsngr.exe, which is detected as Mal/Behav-034.
<System>\zlib.dll - clean, which is clean file and can be safely removed.