ThreatExpert Report: Trojan:Win32/Hiloti.gen!A, Troj/Virtum-Gen

Submission Summary:

Submission details:

Submission received: 31 March 2009, 23:34:54
Processing time: 7 min 28 sec
Submitted sample:

File MD5: 0x16B7227D021F7F7073B50AE8769EA7F1
File SHA-1: 0xB581DB1DE955673DE99D3EB61AA32BE86C5F6EA5
Filesize: 44,032 bytes
Alias: Trojan:Win32/Hiloti.gen!A [Microsoft]

Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
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.Agent	Trojan.Downloader.Agent downloads and installs other malware onto infected machine.

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Windir%\Plakafaripecil.dll	44,032 bytes	MD5: 0x6D305914B06C93E414983EE30AD1838D SHA-1: 0x7836DC844FF1AB33794F45B5BB86222FE88155A9	Troj/Virtum-Gen [Sophos] Trojan:Win32/Hiloti.gen!A [Microsoft]
2	[file and pathname of the sample #1]	44,032 bytes	MD5: 0x16B7227D021F7F7073B50AE8769EA7F1 SHA-1: 0xB581DB1DE955673DE99D3EB61AA32BE86C5F6EA5	Trojan:Win32/Hiloti.gen!A [Microsoft]

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]	53,248 bytes

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
Plakafaripecil.dll	%Windir%\Plakafaripecil.dll	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x390000 - 0x39D000

Notes:

[generic host process filename] is a full path filename of [generic host process].

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Phuxobab

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

Pwulinubesida = "rundll32.exe "%Windir%\Plakafaripecil.dll",e"

so that Plakafaripecil.dll runs every time Windows starts

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Phuxobab]

Sheqid = "54"

Other details

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

6d5ac198

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