Malware type: Backdoor

Aliases: Backdoor.Win32.Small.ky (Kaspersky), BackDoor-CZL (McAfee), Downloader (Symantec), BDS/Small.KY.2 (Avira), Troj/Small-CMK (Sophos), Backdoor:Win32/Small.VZ.dll (Microsoft)

In the wild: Yes

Destructive: No

Language: English

Platform: Windows 98, ME, NT, 2000, XP, Server 2003

Encrypted: No

Description: 

This backdoor arrives on a system as a file dropped by TROJ_MDROPPER.BI or TROJ_MDROPPER.BJ.

It opens a random port, allowing a remote malicious user to issue certain commands on the affected system. However, due to errors in its code, this backdoor cannot perform the said routine.

For additional information about this threat, see:
Solution
Technical Details

Description created: Aug. 11, 2006 3:27:17 PM GMT -0800

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