ThreatExpert Report: Generic Dropper.cx, Mal/EncPk-HW

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Submission Summary:

Submission details:

Submission received: 3 June 2009, 12:46:27
Processing time: 6 min 30 sec
Submitted sample:

File MD5: 0xF8DEECFBE48BEDB5549658CFDD0DE588
File SHA-1: 0x7D109391560B3E110B98A80B3C8C3DC092D49F32
Filesize: 117,252 bytes
Alias:

Generic Dropper.cx [McAfee]
Mal/EncPk-HW [Sophos]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Trojan-Downloader.Renos	Trojan-Downloader.Renos attempts to download certain rogue anti-spyware application.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	117,252 bytes	MD5: 0xF8DEECFBE48BEDB5549658CFDD0DE588 SHA-1: 0x7D109391560B3E110B98A80B3C8C3DC092D49F32	Generic Dropper.cx [McAfee] Mal/EncPk-HW [Sophos]
2	%Windir%\Tasks\{5B57CF47-0BFA-43c6-ACF9-3B3653DCADBA}.job	274 bytes	MD5: 0x853A323D6A4B7CDCDDE57E5AA15B4936 SHA-1: 0xFB0B362602198D5E19F6AE1C98AEC4F75F5FEE5C	(not available)

Note:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	221,184 bytes

Registry Modifications

The following Registry Key was created:

HKEY_CURRENT_USER\Software\ColdWare

The newly created Registry Value is:

[HKEY_CURRENT_USER\Software\ColdWare]

s00000001 = ""
d00000006 = 0x00000000
d00000000 = 0x01C9E555
d00000001 = 0x9AD6D080

Other details

To mark the presence in the system, the following Mutex object was created:

Global\{4A0A574F-EC90-4a3f-8C4E-BA240F5991E9}

The following port was open in the system:

Port	Protocol	Process
1043	TCP	[file and pathname of the sample #1]

The following Host Name was requested from a host database:

searchricerca.com

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
searchzoeken.com	80	(null)	(null)
212.233.25.46	80	(null)	(null)

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