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Virus Profile: BackDoor-FAFB!2C8CB3D1155C

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Virus Profile information details
Risk Assessment: Home Low | Corporate Low
Date Discovered: 10/7/2012
Date Added: 10/7/2012
Origin: Unknown
Length: Varies
Type: Trojan
Subtype: Backdoor
DAT Required: 6737
Removal Instructions
   
 
 
   

Description

This is a Trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Aliases
  • Avira        -    BDS/Hupigon.Gen
  • Kaspersky    -    Trojan.Win32.Sasfis.bckk
  • Fortinet    -    W32/Sasfis.BCKK!tr
  • Microsoft    -    backdoor:win32/hupigon.ec
  • Symantec    -    Trojan.Gen

Indication of Infection


Presence of above mentioned activities.

Methods of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, email spam, etc.
   

Virus Characteristics

Upon execution the Trojan drop a files in the below location

%system32\drivers\oreans32.sys

The following registry key have been added to the system

  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\Security
  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\Enum
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\Security
  • HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\Enum

The following registry key values have been added to the system

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_OREANS32\0000\Control\


  • *NewlyCreated*: 0x00000000
  •  ActiveService: "oreans32"

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_OREANS32\0000\


  • Service: "oreans32"
  •  Legacy: 0x00000001
  • ConfigFlags: 0x00000000
  •  Class: "LegacyDriver"
  • ClassGUID: "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
  • DeviceDesc: "oreans32"
  • NextInstance: 0x00000001

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\Enum\0: "Root\LEGACY_OREANS32\0000"
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\Enum\Count: 0x00000001 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\Enum\NextInstance: 0x0000000 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\Security\Security: 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 00 01 02 00 00 00 00 00 05 20 00 00 00 20 02 00 00 00 00 14 00 8D 01 02 00 01 01 00 00 00 00 00 05 0B 00 00 00 00 00 18 00 FD 01 02 00 01 02 00 00 00 00 00 05 20 00 00 00 23 02 00 00 01 01 00 00 00 00 00 05 12 00 00 00 01 01 00 00 00 00 00 05 12 00 00 00
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\oreans32\


  • Type: 0x00000001
  •  Start: 0x00000001
  •   ErrorControl: 0x00000001
  •   ImagePath: "\??\C:\WINDOWS\system32\drivers\oreans32.sys"
  •   DisplayName: "oreans32"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_OREANS32\0000\Control\
 
  • *NewlyCreated*: 0x00000000
  •  ActiveService: "oreans32"
  •  Service: "oreans32"
  •   Legacy: 0x00000001
  •   ConfigFlags: 0x00000000
  •  Class: "LegacyDriver"
  •  ClassGUID: "{8ECC055D-047F-11D1-A537-0000F8753ED1}"
  • DeviceDesc: "oreans32"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_OREANS32\NextInstance: 0x00000001
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\Enum\0: "Root\LEGACY_OREANS32\0000" HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\Enum\Count: 0x00000001 HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\Enum\NextInstance: 0x00000001 HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\Security\Security: 01 00 14 80 90 00 00 00 9C 00 00 00 14 00 00 00 30 00 00 00 02 00 1C 00 01 00 00 00 02 80 14 00 FF 01 0F 00 01 01 00 00 00 00 00 01 00 00 00 00 02 00 60 00 04 00 00 00 00 00 14 00 FD 01 02 00 01 01 00 00 00 00 00 05 12 00 00 00 00 00 18 00 FF 01 0F 00 01 02 00 00 00 00 00 05 20 00 00 00 20 02 00 00 00 00 14 00 8D 01 02 00 01 01 00 00 00 00 00 05 0B 00 00 00 00 00 18 00 FD 01 02 00 01 02 00 00 00 00 00 05 20 00 00 00 23 02 00 00 01 01 00 00 00 00 00 05 12 00 00 00 01 01 00 00 00 00 00 05 12 00 00 00
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\oreans32\

  • Type: 0x00000001
  • Start: 0x00000001
  •  ErrorControl: 0x00000001
  •   ImagePath: "\??\C:\WINDOWS\system32\drivers\oreans32.sys"
  •   DisplayName: "oreans32"
The above registry entry ensures that it creates a service with name” oreans32” and it starts automatically whenever the system restarts.
   

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).