Submission Summary:

• Submission details:
• Submission received: 24 June 2012, 15:04:25
• Processing time: 11 min 53 sec
• Submitted sample:
• File MD5: 0xFED8FF219A42BEDC6D494ADA3A4CC389
• File SHA-1: 0xF487F9A5FEB399242432BA0900B228C7B9A45793
• Filesize: 863,891 bytes
• Alias:
• Trojan Horse [Symantec]
• Trojan-Banker.Win32.Banker [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

• Attention! The following threat categories were identified:

Threat Category	Description
	A potentially unwanted adware program designed to deliver various advertisements to the users' systems
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

• The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\Isas.exe	2,514,944 bytes	MD5: 0x6BCCF4C46F24E62571287EC203D990AF SHA-1: 0x12F35C6BC99B1EC5846FE4C5C12D3B24EAC0D48E	Adware.Websearch [Symantec] Trojan-Banker.Win32.Banker.apcc [Kaspersky Lab] PWS-Banker!din [McAfee] Mal/Banspy-K [Sophos] Trojan-Banker.Win32.Banker [Ikarus]
2	[file and pathname of the sample #1]	863,891 bytes	MD5: 0xFED8FF219A42BEDC6D494ADA3A4CC389 SHA-1: 0xF487F9A5FEB399242432BA0900B228C7B9A45793	Trojan Horse [Symantec] Trojan-Banker.Win32.Banker [Ikarus]

• Note:
• %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Memory Modifications

• There was a new process created in the system:

Process Name	Process Filename	Main Module Size
Isas.exe	%System%\isas.exe	2,547,712 bytes

Registry Modifications

• The following Registry Keys were created:
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform
• HKEY_CURRENT_USER\Software\WinRAR SFX

• The newly created Registry Values are:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• Microsoft Internet Explorerss = "%System%\isas.exe"
• [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\User Agent\Post Platform]
• Embedded Web Browser from: http://bsalsa.com/ = ""
• [HKEY_CURRENT_USER\Software\WinRAR SFX]
• C%%WINDOWS%system32 = "%Windir%\system32"

Other details

• Analysis of the file resources indicate the following possible countries of origin:

	Brazil
	Russian Federation