ALIASES:

W32/Bagle.bb@MM (McAfee); W32.Beagle.AV@mm (Symantec); Email-Worm.Win32.Bagle.at (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); I-Worm/Bagle.AX (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Worm

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This worm 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: 23,664 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 03 Jun 2013

Arrival Details

This worm 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 worm drops the following copies of itself into the affected system:

  • %System%\wingo.exe

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

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
wingo = "%System%\wingo.exe"

Other System Modifications

This worm deletes the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\wingo

Dropping Routine

This worm drops the following files:

  • %System%\wingo.exeopenopen
  • %System%\wingo.exeopen
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Office 2003 Crack, Working!.exe
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Office XP working Crack, Keygen.exe
  • %Program Files%\Common Files\Microsoft Shared\Porno, sex, oral, anal cool, awesome!!.exe
  • %Program Files%\Common Files\Microsoft Shared\Porno Screensaver.scr
  • %Program Files%\Common Files\Microsoft Shared\Serials.txt.exe
  • %Program Files%\Common Files\Microsoft Shared\KAV 5.0
  • %Program Files%\Common Files\Microsoft Shared\Kaspersky Antivirus 5.0
  • %Program Files%\Common Files\Microsoft Shared\Porno pics arhive, xxx.exe
  • %Program Files%\Common Files\Microsoft Shared\Windows Sourcecode update.doc.exe
  • %Program Files%\Common Files\Microsoft Shared\Ahead Nero 7.exe
  • %Program Files%\Common Files\Microsoft Shared\Windown Longhorn Beta Leak.exe
  • %Program Files%\Common Files\Microsoft Shared\Opera 8 New!.exe
  • %Program Files%\Common Files\Microsoft Shared\XXX hardcore images.exe
  • %Program Files%\Common Files\Microsoft Shared\WinAmp 6 New!.exe
  • %Program Files%\Common Files\Microsoft Shared\WinAmp 5 Pro Keygen Crack Update.exe
  • %Program Files%\Common Files\Microsoft Shared\Adobe Photoshop 9 full.exe
  • %Program Files%\Common Files\Microsoft Shared\Matrix 3 Revolution English Subtitles.exe
  • %Program Files%\Common Files\Microsoft Shared\ACDSee 9.exe
  • %Program Files%\Movie Maker\Shared\Microsoft Office 2003 Crack, Working!.exe
  • %Program Files%\Movie Maker\Shared\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Program Files%\Movie Maker\Shared\Microsoft Office XP working Crack, Keygen.exe
  • %Program Files%\Movie Maker\Shared\Porno, sex, oral, anal cool, awesome!!.exe
  • %Program Files%\Movie Maker\Shared\Porno Screensaver.scr
  • %Program Files%\Movie Maker\Shared\Serials.txt.exe
  • %Program Files%\Movie Maker\Shared\KAV 5.0
  • %Program Files%\Movie Maker\Shared\Kaspersky Antivirus 5.0
  • %Program Files%\Movie Maker\Shared\Porno pics arhive, xxx.exe
  • %Program Files%\Movie Maker\Shared\Windows Sourcecode update.doc.exe
  • %Program Files%\Movie Maker\Shared\Ahead Nero 7.exe
  • %Program Files%\Movie Maker\Shared\Windown Longhorn Beta Leak.exe
  • %Program Files%\Movie Maker\Shared\Opera 8 New!.exe
  • %Program Files%\Movie Maker\Shared\XXX hardcore images.exe
  • %Program Files%\Movie Maker\Shared\WinAmp 6 New!.exe
  • %Program Files%\Movie Maker\Shared\WinAmp 5 Pro Keygen Crack Update.exe
  • %Program Files%\Movie Maker\Shared\Adobe Photoshop 9 full.exe
  • %Program Files%\Movie Maker\Shared\Matrix 3 Revolution English Subtitles.exe
  • %Program Files%\Movie Maker\Shared\ACDSee 9.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Microsoft Office 2003 Crack, Working!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Microsoft Office XP working Crack, Keygen.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Porno, sex, oral, anal cool, awesome!!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Porno Screensaver.scr
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Serials.txt.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\KAV 5.0
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Kaspersky Antivirus 5.0
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Porno pics arhive, xxx.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Windows Sourcecode update.doc.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Ahead Nero 7.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Windown Longhorn Beta Leak.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Opera 8 New!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\XXX hardcore images.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\WinAmp 6 New!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\WinAmp 5 Pro Keygen Crack Update.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Adobe Photoshop 9 full.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Matrix 3 Revolution English Subtitles.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\ACDSee 9.exe
  • %Windows%\ime\shared\Microsoft Office 2003 Crack, Working!.exe
  • %Windows%\ime\shared\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Windows%\ime\shared\Microsoft Office XP working Crack, Keygen.exe
  • %Windows%\ime\shared\Porno, sex, oral, anal cool, awesome!!.exe
  • %Windows%\ime\shared\Porno Screensaver.scr
  • %Windows%\ime\shared\Serials.txt.exe
  • %Windows%\ime\shared\KAV 5.0
  • %Windows%\ime\shared\Kaspersky Antivirus 5.0
  • %Windows%\ime\shared\Porno pics arhive, xxx.exe
  • %Windows%\ime\shared\Windows Sourcecode update.doc.exe
  • %Windows%\ime\shared\Ahead Nero 7.exe
  • %Windows%\ime\shared\Windown Longhorn Beta Leak.exe
  • %Windows%\ime\shared\Opera 8 New!.exe
  • %Windows%\ime\shared\XXX hardcore images.exe
  • %Windows%\ime\shared\WinAmp 6 New!.exe
  • %Windows%\ime\shared\WinAmp 5 Pro Keygen Crack Update.exe
  • %Windows%\ime\shared\Adobe Photoshop 9 full.exe
  • %Windows%\ime\shared\Matrix 3 Revolution English Subtitles.exe
  • %Windows%\ime\shared\ACDSee 9.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Microsoft Office 2003 Crack, Working!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Microsoft Office XP working Crack, Keygen.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Porno, sex, oral, anal cool, awesome!!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Porno Screensaver.scr
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Serials.txt.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\KAV 5.0
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Kaspersky Antivirus 5.0
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Porno pics arhive, xxx.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Windows Sourcecode update.doc.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Ahead Nero 7.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Windown Longhorn Beta Leak.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Opera 8 New!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\XXX hardcore images.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\WinAmp 6 New!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\WinAmp 5 Pro Keygen Crack Update.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Adobe Photoshop 9 full.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Matrix 3 Revolution English Subtitles.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\ACDSee 9.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).. %Windows% is the Windows folder, which is usually C:\Windows.)

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

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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • wingo = "%System%\wingo.exe"

Step 4

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%\wingo.exeopenopen
  • %System%\wingo.exeopen
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Office 2003 Crack, Working!.exe
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Program Files%\Common Files\Microsoft Shared\Microsoft Office XP working Crack, Keygen.exe
  • %Program Files%\Common Files\Microsoft Shared\Porno, sex, oral, anal cool, awesome!!.exe
  • %Program Files%\Common Files\Microsoft Shared\Porno Screensaver.scr
  • %Program Files%\Common Files\Microsoft Shared\Serials.txt.exe
  • %Program Files%\Common Files\Microsoft Shared\KAV 5.0
  • %Program Files%\Common Files\Microsoft Shared\Kaspersky Antivirus 5.0
  • %Program Files%\Common Files\Microsoft Shared\Porno pics arhive, xxx.exe
  • %Program Files%\Common Files\Microsoft Shared\Windows Sourcecode update.doc.exe
  • %Program Files%\Common Files\Microsoft Shared\Ahead Nero 7.exe
  • %Program Files%\Common Files\Microsoft Shared\Windown Longhorn Beta Leak.exe
  • %Program Files%\Common Files\Microsoft Shared\Opera 8 New!.exe
  • %Program Files%\Common Files\Microsoft Shared\XXX hardcore images.exe
  • %Program Files%\Common Files\Microsoft Shared\WinAmp 6 New!.exe
  • %Program Files%\Common Files\Microsoft Shared\WinAmp 5 Pro Keygen Crack Update.exe
  • %Program Files%\Common Files\Microsoft Shared\Adobe Photoshop 9 full.exe
  • %Program Files%\Common Files\Microsoft Shared\Matrix 3 Revolution English Subtitles.exe
  • %Program Files%\Common Files\Microsoft Shared\ACDSee 9.exe
  • %Program Files%\Movie Maker\Shared\Microsoft Office 2003 Crack, Working!.exe
  • %Program Files%\Movie Maker\Shared\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Program Files%\Movie Maker\Shared\Microsoft Office XP working Crack, Keygen.exe
  • %Program Files%\Movie Maker\Shared\Porno, sex, oral, anal cool, awesome!!.exe
  • %Program Files%\Movie Maker\Shared\Porno Screensaver.scr
  • %Program Files%\Movie Maker\Shared\Serials.txt.exe
  • %Program Files%\Movie Maker\Shared\KAV 5.0
  • %Program Files%\Movie Maker\Shared\Kaspersky Antivirus 5.0
  • %Program Files%\Movie Maker\Shared\Porno pics arhive, xxx.exe
  • %Program Files%\Movie Maker\Shared\Windows Sourcecode update.doc.exe
  • %Program Files%\Movie Maker\Shared\Ahead Nero 7.exe
  • %Program Files%\Movie Maker\Shared\Windown Longhorn Beta Leak.exe
  • %Program Files%\Movie Maker\Shared\Opera 8 New!.exe
  • %Program Files%\Movie Maker\Shared\XXX hardcore images.exe
  • %Program Files%\Movie Maker\Shared\WinAmp 6 New!.exe
  • %Program Files%\Movie Maker\Shared\WinAmp 5 Pro Keygen Crack Update.exe
  • %Program Files%\Movie Maker\Shared\Adobe Photoshop 9 full.exe
  • %Program Files%\Movie Maker\Shared\Matrix 3 Revolution English Subtitles.exe
  • %Program Files%\Movie Maker\Shared\ACDSee 9.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Microsoft Office 2003 Crack, Working!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Microsoft Office XP working Crack, Keygen.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Porno, sex, oral, anal cool, awesome!!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Porno Screensaver.scr
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Serials.txt.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\KAV 5.0
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Kaspersky Antivirus 5.0
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Porno pics arhive, xxx.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Windows Sourcecode update.doc.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Ahead Nero 7.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Windown Longhorn Beta Leak.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Opera 8 New!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\XXX hardcore images.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\WinAmp 6 New!.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\WinAmp 5 Pro Keygen Crack Update.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Adobe Photoshop 9 full.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\Matrix 3 Revolution English Subtitles.exe
  • %Windows%\assembly\NativeImages_v4.0.30319_32\Microsoft.CSharp\ACDSee 9.exe
  • %Windows%\ime\shared\Microsoft Office 2003 Crack, Working!.exe
  • %Windows%\ime\shared\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Windows%\ime\shared\Microsoft Office XP working Crack, Keygen.exe
  • %Windows%\ime\shared\Porno, sex, oral, anal cool, awesome!!.exe
  • %Windows%\ime\shared\Porno Screensaver.scr
  • %Windows%\ime\shared\Serials.txt.exe
  • %Windows%\ime\shared\KAV 5.0
  • %Windows%\ime\shared\Kaspersky Antivirus 5.0
  • %Windows%\ime\shared\Porno pics arhive, xxx.exe
  • %Windows%\ime\shared\Windows Sourcecode update.doc.exe
  • %Windows%\ime\shared\Ahead Nero 7.exe
  • %Windows%\ime\shared\Windown Longhorn Beta Leak.exe
  • %Windows%\ime\shared\Opera 8 New!.exe
  • %Windows%\ime\shared\XXX hardcore images.exe
  • %Windows%\ime\shared\WinAmp 6 New!.exe
  • %Windows%\ime\shared\WinAmp 5 Pro Keygen Crack Update.exe
  • %Windows%\ime\shared\Adobe Photoshop 9 full.exe
  • %Windows%\ime\shared\Matrix 3 Revolution English Subtitles.exe
  • %Windows%\ime\shared\ACDSee 9.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Microsoft Office 2003 Crack, Working!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Microsoft Windows XP, WinXP Crack, working Keygen.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Microsoft Office XP working Crack, Keygen.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Porno, sex, oral, anal cool, awesome!!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Porno Screensaver.scr
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Serials.txt.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\KAV 5.0
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Kaspersky Antivirus 5.0
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Porno pics arhive, xxx.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Windows Sourcecode update.doc.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Ahead Nero 7.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Windown Longhorn Beta Leak.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Opera 8 New!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\XXX hardcore images.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\WinAmp 6 New!.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\WinAmp 5 Pro Keygen Crack Update.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Adobe Photoshop 9 full.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\Matrix 3 Revolution English Subtitles.exe
  • %Windows%\Microsoft.NET\assembly\GAC_MSIL\Microsoft.CSharp\ACDSee 9.exe

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as WORM_BAGLE.GM. 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 6

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_CURRENT_USER\SOFTWARE
    • wingo


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