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TSPY_SPYEYE.TXA

November 26, 2013
 ALIASES:

Worm:Win32/Cambot.A (Microsoft); PWS-Spyeye.ai (McAfee); Trojan.FakeAV (Symantec); Worm.Win32.AutoRun.cflm (Kaspersky); Trojan.Win32.Generic.pak!cobra (Sunbelt); Worm/Generic2.AQDD (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It disables Task Manager, Registry Editor, and Folder Options.

  TECHNICAL DETAILS

File Size:

140,288 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

26 Nov 2013

Arrival Details

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Autostart Technique

This spyware adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"

Other System Modifications

This spyware adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\run

HKEY_CURRENT_USER\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\run

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\run
KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"

It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer\run
KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"

Other Details

This spyware connects to the following possibly malicious URL:

  • http://{BLOCKED}ricted.info:80/bs/plugins/ddos.bss

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Enable Registry Editor, Task Manager, and Folder options

[ Learn More ]
By doing this step, you also enable other applications/programs disabled by this malware/grayware/spyware.

Step 4

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
    • run
  • In HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
    • run

Step 5

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    • KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run
    • KKE2LOWHTU3XO = "%User Profile%\Application Data\H1VZCRUQ5J.exe"

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_SPYEYE.TXA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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