ADW_ADSERVE


 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This adware 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:

1,524,975 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

27 Feb 2014

Arrival Details

This adware 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 adware creates the following folders:

  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %Program Files%\Webshots
  • %Program Files%\Webshots\Languages
  • %System Root%\Documents and Settings\Wilbert
  • %Start Menu%\Programs\Webshots Desktop!
  • %User Temp%\fsg
  • %User Temp%\fsg_tmp
  • %User Temp%\fsg_tmp\accum
  • %User Temp%\fsg_tmp\files
  • %Program Files%\Webshots\Collections

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %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).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Autostart Technique

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

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Trickler = "%User Temp%\fsg\fsg.exe "

Other System Modifications

This adware deletes the following files:

  • %User Temp%\GL_4.tmp
  • %User Temp%\GLB7.tmp
  • %User Temp%\GLFB.tmp
  • %User Temp%\GLFE.tmp
  • %User Temp%\fsg_tmp\GTR3C.tmp
  • %User Temp%\fsg_tmp\GTD3E.tmp
  • %Program Files%\webshots\collectn.wba

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %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).)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Webshots

HKEY_LOCAL_MACHINE\Software\CLASSES\
CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler

HKEY_LOCAL_MACHINE\software\Gator.com\
Gator\dyn

HKEY_LOCAL_MACHINE\software\Gator.com\
Gator\stat

HKEY_LOCAL_MACHINE\software\Gator.com\
Gator\dyn\Proxy

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\SilentSetup\
dl

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\SilentSetup\
chk

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\Bundle\
dl

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\Bundle\
chk

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\OemResDll\
dl

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\OemResDll\
chk

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\EventCache\530E0264.0000

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\EventCache\530E0264.0001

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
TestRegistryKey

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\EventCache\530E0264.0002

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\EventCache\530E0264.0003

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\Files\TricklerInf

HKEY_LOCAL_MACHINE\software\Gator.com\
Trickler\EventCache\530E0264.0004

HKEY_CLASSES_ROOT\.wbz

HKEY_CLASSES_ROOT\Webshots.Extension\shell\
open\command

HKEY_CLASSES_ROOT\wbz_auto_file\shell\
open\command

HKEY_CLASSES_ROOT\.wbc

HKEY_CLASSES_ROOT\Webshots.Collection\shell\
open\command

HKEY_CLASSES_ROOT\wbc_auto_file\shell\
open\command

HKEY_CURRENT_USER\Software\Webshots

HKEY_CURRENT_USER\Software\Webshots\
Webshots Desktop

HKEY_CURRENT_USER\Software\Webshots\
Webshots Desktop\DailyPhoto

HKEY_CURRENT_USER\Software\Webshots\
Webshots Desktop\General

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Webshots
DisplayName = "Webshots!"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Webshots
UninstallString = "%Windows%\WebshotsUninstall.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion
StashedGEF = "4"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
GEF = "4"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
FirstStartValue = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Gator\dyn
PdpFirstStart = "NEW"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Gator\stat
Guid = "3C3E96CD-1D3C-47ED-AC59-C863A0E278E8"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion
StashedGMG = "3C3E96CD-1D3C-47ED-AC59-C863A0E278E8"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
GMG = "3C3E96CD-1D3C-47ED-AC59-C863A0E278E8"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Gator\dyn\Proxy
UsingWininet = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
dl
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
dl
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
dl
FileDones = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
dl
UrlSize = "ffffffff"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
chk
CheckFailures = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
chk
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\SilentSetup\
chk
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
dl
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
dl
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
dl
FileDones = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
dl
UrlSize = "ffffffff"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
chk
CheckFailures = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
chk
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\Bundle\
chk
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
dl
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
dl
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
dl
FileDones = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
dl
UrlSize = "ffffffff"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
chk
CheckFailures = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
chk
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\OemResDll\
chk
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
StartTime = "53e266"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0000
attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0000
value = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0001
attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0001
value = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
FirstStartSent = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
AppPath = "%User Temp%\fsg\fsg.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0002
attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0002
value = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0003
attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0003
value = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0000
attempts = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\TricklerInf
Attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\TricklerInf
Errors = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\TricklerInf
FileDones = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\TricklerInf
UrlSize = "ffffffff"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\TricklerInf
Attempts = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\Files\TricklerInf
Errors = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0004
attempts = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler\EventCache\530E0264.0004
value = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Webshots.Extension
EditFlags = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.wbz
Content Type = "application/x-webshots"

HKEY_CURRENT_USER\Software\Netscape\
Netscape Navigator\User Trusted External Applications
%Program Files%\Webshots\Swebexec.exe = "Yes"

HKEY_CURRENT_USER\Software\Netscape\
Netscape Navigator\Viewers
application/x-webshots = "%Program Files%\Webshots\Swebexec.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Webshots.Collection
EditFlags = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
.wbc
Content Type = "application/x-webshots"

HKEY_CURRENT_USER\Software\Webshots\
Webshots Desktop\General
UserID = "K1393427051"

HKEY_CURRENT_USER\Software\Webshots\
Webshots Desktop\General
HasBeenRun = "1"

It modifies the following registry entries:

HKEY_CURRENT_USER\Software\Netscape\
Netscape Navigator\Viewers
TYPE37 = "application/x-webshots"

(Note: The default value data of the said registry entry is application/x-ebx.)

HKEY_CURRENT_USER\Control Panel\Desktop
TileWallpaper = "0"

(Note: The default value data of the said registry entry is 0.)

HKEY_CURRENT_USER\Control Panel\Desktop
WallpaperStyle = "0"

(Note: The default value data of the said registry entry is 2.)

Dropping Routine

This adware drops the following files:

  • %Windows%\~GLH0000.TMP
  • %Windows%\~GLH0001.TMP
  • %User Temp%\GL_4.EXE
  • %User Temp%\GLG9.tmp
  • %User Temp%\~GLH0002.TMP
  • %User Temp%\~GLH0003.TMP
  • %User Temp%\~GLH0004.TMP
  • %User Temp%\fsglicense.txt
  • %System%\GLBSINST.%$D
  • %User Temp%\~GLH0005.TMP
  • %User Temp%\AppCloser.exe
  • %Program Files%\Webshots\Languages\~GLH0006.TMP
  • %Program Files%\Webshots\Languages\English.dll
  • %Program Files%\Webshots\~GLH0007.TMP
  • %Program Files%\Webshots\Unwise.exe
  • %Program Files%\Webshots\~GLH0008.TMP
  • %Program Files%\Webshots\Swebexec.exe
  • %Windows%\~GLH0009.TMP
  • %Windows%\Webshots.scr
  • %Windows%\~GLH000a.TMP
  • %Windows%\WebshotsUninstall.exe
  • %Program Files%\Webshots\~GLH000b.TMP
  • %Program Files%\Webshots\WebshotsTray.exe
  • %Program Files%\Webshots\~GLH000c.TMP
  • %Program Files%\Webshots\webshots.wav
  • %Program Files%\Webshots\~GLH000d.TMP
  • %Program Files%\Webshots\collectn.wba
  • %Desktop%\Webshots Desktop!.lnk
  • %Start Menu%\Programs\Webshots Desktop!\Webshots Desktop!.lnk
  • %Start Menu%\Programs\Webshots Desktop!\Uninstall Webshots Desktop.lnk
  • %User Temp%\fsg\~GLH000e.TMP
  • %User Temp%\fsg\temp.000
  • %Program Files%\Webshots\INSTALL.LOG
  • %User Temp%\fsg_tmp\GTJ40.tmp
  • %Program Files%\Webshots\Collections\Webshots Scenic Sampler.wbc
  • %User Startup%\Webshots.lnk
  • %Windows%\webshots.bmp

(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %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).. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.)

Other Details

This adware connects to the following possibly malicious URL:

  • http://gs.{BLOCKED}r.com/Cmd/client_log_event
  • http://gs.{BLOCKED}r.com/download/trickler.inf

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 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\Uninstall
    • Webshots
  • In HKEY_LOCAL_MACHINE\Software\CLASSES\CLSID
    • {21FFB6C0-0DA1-11D5-A9D5-00500413153C}
  • In HKEY_LOCAL_MACHINE\software\Gator.com
    • Trickler
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Gator
    • dyn
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Gator
    • stat
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Gator\dyn
    • Proxy
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files\SilentSetup
    • dl
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files\SilentSetup
    • chk
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files\Bundle
    • dl
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files\Bundle
    • chk
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files\OemResDll
    • dl
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files\OemResDll
    • chk
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\EventCache
    • 530E0264.0000
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\EventCache
    • 530E0264.0001
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com
    • TestRegistryKey
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\EventCache
    • 530E0264.0002
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\EventCache
    • 530E0264.0003
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\Files
    • TricklerInf
  • In HKEY_LOCAL_MACHINE\software\Gator.com\Trickler\EventCache
    • 530E0264.0004
  • In HKEY_CLASSES_ROOT
    • .wbz
  • In HKEY_CLASSES_ROOT\Webshots.Extension\shell\open
    • command
  • In HKEY_CLASSES_ROOT\wbz_auto_file\shell\open
    • command
  • In HKEY_CLASSES_ROOT
    • .wbc
  • In HKEY_CLASSES_ROOT\Webshots.Collection\shell\open
    • command
  • In HKEY_CLASSES_ROOT\wbc_auto_file\shell\open
    • command
  • In HKEY_CURRENT_USER\Software
    • Webshots
  • In HKEY_CURRENT_USER\Software\Webshots
    • Webshots Desktop
  • In HKEY_CURRENT_USER\Software\Webshots\Webshots Desktop
    • DailyPhoto
  • In HKEY_CURRENT_USER\Software\Webshots\Webshots Desktop
    • General

Step 4

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
    • Trickler = "%User Temp%\fsg\fsg.exe "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Webshots
    • DisplayName = "Webshots!"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Webshots
    • UninstallString = "%Windows%\WebshotsUninstall.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
    • StashedGEF = "4"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
    • GEF = "4"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
    • FirstStartValue = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Gator\dyn
    • PdpFirstStart = "NEW"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Gator\stat
    • Guid = "3C3E96CD-1D3C-47ED-AC59-C863A0E278E8"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion
    • StashedGMG = "3C3E96CD-1D3C-47ED-AC59-C863A0E278E8"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
    • GMG = "3C3E96CD-1D3C-47ED-AC59-C863A0E278E8"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Gator\dyn\Proxy
    • UsingWininet = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\dl
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\dl
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\dl
    • FileDones = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\dl
    • UrlSize = "ffffffff"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\chk
    • CheckFailures = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\chk
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\SilentSetup\chk
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\dl
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\dl
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\dl
    • FileDones = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\dl
    • UrlSize = "ffffffff"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\chk
    • CheckFailures = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\chk
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\Bundle\chk
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\dl
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\dl
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\dl
    • FileDones = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\dl
    • UrlSize = "ffffffff"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\chk
    • CheckFailures = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\chk
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\OemResDll\chk
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
    • StartTime = "53e266"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0000
    • attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0000
    • value = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0001
    • attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0001
    • value = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
    • FirstStartSent = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
    • AppPath = "%User Temp%\fsg\fsg.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0002
    • attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0002
    • value = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0003
    • attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0003
    • value = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0000
    • attempts = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\TricklerInf
    • Attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\TricklerInf
    • Errors = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\TricklerInf
    • FileDones = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\TricklerInf
    • UrlSize = "ffffffff"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\TricklerInf
    • Attempts = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\Files\TricklerInf
    • Errors = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0004
    • attempts = "0"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler\EventCache\530E0264.0004
    • value = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Webshots.Extension
    • EditFlags = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.wbz
    • Content Type = "application/x-webshots"
  • In HKEY_CURRENT_USER\Software\Netscape\Netscape Navigator\User Trusted External Applications
    • %Program Files%\Webshots\Swebexec.exe = "Yes"
  • In HKEY_CURRENT_USER\Software\Netscape\Netscape Navigator\Viewers
    • application/x-webshots = "%Program Files%\Webshots\Swebexec.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Webshots.Collection
    • EditFlags = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.wbc
    • Content Type = "application/x-webshots"
  • In HKEY_CURRENT_USER\Software\Webshots\Webshots Desktop\General
    • UserID = "K1393427051"
  • In HKEY_CURRENT_USER\Software\Webshots\Webshots Desktop\General
    • HasBeenRun = "1"

Step 5

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Netscape\Netscape Navigator\Viewers
    • From: TYPE37 = "application/x-webshots"
      To: TYPE37 = ""application/x-ebx""
  • In HKEY_CURRENT_USER\Control Panel\Desktop
    • From: TileWallpaper = "0"
      To: TileWallpaper = ""0""
  • In HKEY_CURRENT_USER\Control Panel\Desktop
    • From: WallpaperStyle = "0"
      To: WallpaperStyle = ""2""

Step 6

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.
  • %Windows%\~GLH0000.TMP
  • %Windows%\~GLH0001.TMP
  • %User Temp%\GL_4.EXE
  • %User Temp%\GLG9.tmp
  • %User Temp%\~GLH0002.TMP
  • %User Temp%\~GLH0003.TMP
  • %User Temp%\~GLH0004.TMP
  • %User Temp%\fsglicense.txt
  • %System%\GLBSINST.%$D
  • %User Temp%\~GLH0005.TMP
  • %User Temp%\AppCloser.exe
  • %Program Files%\Webshots\Languages\~GLH0006.TMP
  • %Program Files%\Webshots\Languages\English.dll
  • %Program Files%\Webshots\~GLH0007.TMP
  • %Program Files%\Webshots\Unwise.exe
  • %Program Files%\Webshots\~GLH0008.TMP
  • %Program Files%\Webshots\Swebexec.exe
  • %Windows%\~GLH0009.TMP
  • %Windows%\Webshots.scr
  • %Windows%\~GLH000a.TMP
  • %Windows%\WebshotsUninstall.exe
  • %Program Files%\Webshots\~GLH000b.TMP
  • %Program Files%\Webshots\WebshotsTray.exe
  • %Program Files%\Webshots\~GLH000c.TMP
  • %Program Files%\Webshots\webshots.wav
  • %Program Files%\Webshots\~GLH000d.TMP
  • %Program Files%\Webshots\collectn.wba
  • %Desktop%\Webshots Desktop!.lnk
  • %Start Menu%\Programs\Webshots Desktop!\Webshots Desktop!.lnk
  • %Start Menu%\Programs\Webshots Desktop!\Uninstall Webshots Desktop.lnk
  • %User Temp%\fsg\~GLH000e.TMP
  • %User Temp%\fsg\temp.000
  • %Program Files%\Webshots\INSTALL.LOG
  • %User Temp%\fsg_tmp\GTJ40.tmp
  • %Program Files%\Webshots\Collections\Webshots Scenic Sampler.wbc
  • %User Startup%\Webshots.lnk
  • %Windows%\webshots.bmp

Step 7

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.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %Program Files%\Webshots
  • %Program Files%\Webshots\Languages
  • %System Root%\Documents and Settings\Wilbert
  • %Start Menu%\Programs\Webshots Desktop!
  • %User Temp%\fsg
  • %User Temp%\fsg_tmp
  • %User Temp%\fsg_tmp\accum
  • %User Temp%\fsg_tmp\files
  • %Program Files%\Webshots\Collections

Step 8

Restart in normal mode and scan your computer with your Trend Micro product for files detected as ADW_ADSERVE. 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 9

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.

  • %User Temp%\GL_4.tmp
  • %User Temp%\GLB7.tmp
  • %User Temp%\GLFB.tmp
  • %User Temp%\GLFE.tmp
  • %User Temp%\fsg_tmp\GTR3C.tmp
  • %User Temp%\fsg_tmp\GTD3E.tmp
  • %Program Files%\webshots\collectn.wba


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