ALIASES:

Virus:Win32/Smee.A (Microsoft); W32/Caveduck.a (McAfee); W32.Fidameg.A (Symantec); Virus.Win32.Agent.cb (Kaspersky); Virus.Win32.Smee.a (v) (Sunbelt); Win32.Sagev.A (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size: 419,186 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 06 Nov 2011

Arrival Details

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

Installation

This file infector creates the following folders:

  • %Program Files%\FestiveBar_3gEI
  • %Program Files%\FestiveBar_3gEI\Installr
  • %Program Files%\FestiveBar_3gEI\Installr\
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\chrome\

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).)

Other System Modifications

This file infector deletes the following files:

  • %System%\5a572b08ac985215116e7e952b6fd7ec3cc9a75e_54f850f5559ebe7ee0a9b166e713.ini

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\FestiveBar_3gEI\
Installer

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Ext

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Ext\
PreApproved

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Ext\
PreApproved\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin\MimeTypes

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin\MimeTypes\application/x-festivebar_3gpluginei

HKEY_CLASSES_ROOT\FestiveBar_3gInstaller.Start.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FestiveBar_3gInstaller.Start.1\CLSID

HKEY_CLASSES_ROOT\FestiveBar_3gInstaller.Start

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FestiveBar_3gInstaller.Start\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
FestiveBar_3gInstaller.Start\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\Control

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\MiscStatus

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\MiscStatus\
1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\Version

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}\TypeLib

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\
Installer
un = "FestiveBar"

HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\
Installer
Dir = "%Program Files%\FestiveBar_3gEI\Installr\"

HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\
Installer
PluginPath = "%Program Files%\FestiveBar_3gEI\Installr\1.bin\"

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin
Description = "FestiveBar Plugin"

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin
Path = "%Program Files%\FestiveBar_3gEI\Installr\1.bin\NP3gEISB.dll"

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin
vendor = "FULLCOMPANYNAME_DDE0BB24-8F8C-44e9-B962-8289B302DEF9"

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin
version = "1.1.0.0"

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin\MimeTypes\application/x-festivebar_3gpluginei
Description = "FestiveBar Plugin"

HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\
@ei.FestiveBar_3g.com/Plugin\MimeTypes\application/x-festivebar_3gpluginei
Suffixes = "3gi"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}\TypeLib
Version = "1.0"

HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\
Installer
CurInstall = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\
Installer
sr = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\
Installer
pl = "9"

Dropping Routine

This file infector drops the following files:

  • %System%\5a572b08ac985215116e7e952b6fd7ec3cc9a75e_54f850f5559ebe7ee0a9b166e713.exe
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\NP3gEISb.dl_
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\NP3gEISb.dll
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEIPlug.dl_
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEIPlug.dll
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEZSETP.dl_
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEZSETP.dll
  • %System Root%\vcredist_x86.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.200

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

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\FestiveBar_3gEI
    • Installer
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
    • Ext
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext
    • PreApproved
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\PreApproved
    • {bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • MozillaPlugins
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins
    • @ei.FestiveBar_3g.com/Plugin
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin
    • MimeTypes
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin\MimeTypes
    • application/x-festivebar_3gpluginei
  • In HKEY_CLASSES_ROOT
    • FestiveBar_3gInstaller.Start.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FestiveBar_3gInstaller.Start.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • FestiveBar_3gInstaller.Start
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FestiveBar_3gInstaller.Start
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FestiveBar_3gInstaller.Start
    • CurVer
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • Control
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • MiscStatus
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\MiscStatus
    • 1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}
    • Version
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
    • {9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}
    • 1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{9A5EFD2D-A3C2-46B3-A2F0-E5676D719865}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {70EF03D3-88F4-4FD6-B394-1C43109BC500}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}
    • TypeLib

Step 3

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\FestiveBar_3gEI\Installer
    • un = "FestiveBar"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\Installer
    • Dir = "%Program Files%\FestiveBar_3gEI\Installr\"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\Installer
    • PluginPath = "%Program Files%\FestiveBar_3gEI\Installr\1.bin\"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin
    • Description = "FestiveBar Plugin"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin
    • Path = "%Program Files%\FestiveBar_3gEI\Installr\1.bin\NP3gEISB.dll"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin
    • vendor = "FULLCOMPANYNAME_DDE0BB24-8F8C-44e9-B962-8289B302DEF9"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin
    • version = "1.1.0.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin\MimeTypes\application/x-festivebar_3gpluginei
    • Description = "FestiveBar Plugin"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins\@ei.FestiveBar_3g.com/Plugin\MimeTypes\application/x-festivebar_3gpluginei
    • Suffixes = "3gi"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{bd5d30a4-4f8b-4a03-b894-1750ac37fa26}\InprocServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{68C9C909-880E-4F9F-ACFF-B0A7B8AA79D0}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{70EF03D3-88F4-4FD6-B394-1C43109BC500}\TypeLib
    • Version = "1.0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\Installer
    • CurInstall = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\Installer
    • sr = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\FestiveBar_3gEI\Installer
    • pl = "9"

Step 4

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %Program Files%\FestiveBar_3gEI
  • %Program Files%\FestiveBar_3gEI\Installr
  • %Program Files%\FestiveBar_3gEI\Installr\
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\chrome\

Step 5

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %System%\5a572b08ac985215116e7e952b6fd7ec3cc9a75e_54f850f5559ebe7ee0a9b166e713.exe
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\NP3gEISb.dl_
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\NP3gEISb.dll
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEIPlug.dl_
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEIPlug.dll
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEZSETP.dl_
  • %Program Files%\FestiveBar_3gEI\Installr\1.bin\3gEZSETP.dll
  • %System Root%\vcredist_x86.exe

Step 6

Scan your computer with your Trend Micro product to clean files detected as PE_FIDAMEG.A. 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.

Step 7

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %System%\5a572b08ac985215116e7e952b6fd7ec3cc9a75e_54f850f5559ebe7ee0a9b166e713.ini


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