ADW_GATOR.A
Windows
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
3,400,544 bytes
EXE
Yes
30 Apr 2016
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:
- %User Temp%\~vis0000
- %Program Files%\DivX
- %Program Files%\DivX\DivX Pro Codec
- %Start Menu%\Programs\DivX
- %Start Menu%\Programs\DivX\DivX Pro Codec
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha
- %Program Files%\DivX\DivX Player 2.0 Alpha
- %Program Files%\DivX\DivX Player 2.0 Alpha\Skins
- %User Temp%\fsg_tmp
- %User Temp%\fsg_tmp\accum
- %User Temp%\fsg_tmp\accum\Trickler
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
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 = "%Program Files%\divx\divx pro codec\gain_trickler_3202.exe "
Other System Modifications
This adware deletes the following files:
- %User Temp%\~vis0000\miscdata.xyz
- %Program Files%\DivX\xxxxxxxx.yyy
- %Start Menu%\Programs\VIScf46.TMP
- %Start Menu%\Programs\VIScf56.TMP
- %Start Menu%\Programs\VIScfb3.TMP
- %Start Menu%\Programs\VIScfc3.TMP
- %Start Menu%\Programs\VISd002.TMP
- %Start Menu%\Programs\VISdf53.TMP
- %Start Menu%\Programs\VISe00f.TMP
- %Start Menu%\Programs\VISe05d.TMP
- %Start Menu%\Programs\VISe176.TMP
- %Start Menu%\Programs\VISe31c.TMP
- %Start Menu%\Programs\VISe33b.TMP
- %Start Menu%\Programs\VISe3b8.TMP
- %Start Menu%\Programs\VISe4d2.TMP
- %Start Menu%\Programs\VISe61a.TMP
- %Start Menu%\Programs\VISe639.TMP
- %Start Menu%\Programs\VISe6b6.TMP
- %Start Menu%\Programs\VISe762.TMP
- %Start Menu%\Programs\VISe87b.TMP
- %Start Menu%\Programs\VISe917.TMP
- %Start Menu%\Programs\VISe927.TMP
- %Start Menu%\Programs\VISe9e3.TMP
- %Start Menu%\Programs\VISeb79.TMP
- %Start Menu%\Programs\VISeb98.TMP
- %Start Menu%\Programs\VISec54.TMP
- %Start Menu%\Programs\VISed1f.TMP
- %Start Menu%\Programs\VISee67.TMP
- %Start Menu%\Programs\VISee86.TMP
- %Start Menu%\Programs\VISef03.TMP
- %Start Menu%\Programs\VISefbf.TMP
- %Start Menu%\Programs\VISf0f7.TMP
- %Start Menu%\Programs\VISf116.TMP
- %Start Menu%\Programs\VISf1a3.TMP
- %Start Menu%\Programs\VISf28d.TMP
- %Start Menu%\Programs\VISf58b.TMP
- %Start Menu%\Programs\VISf5d9.TMP
- %Start Menu%\Programs\VISf5e9.TMP
- %Start Menu%\Programs\VISf695.TMP
- %Start Menu%\Programs\VISf7ec.TMP
- %Start Menu%\Programs\VIS20a2.TMP
- %Start Menu%\Programs\VIS214e.TMP
- %Start Menu%\Programs\VIS2258.TMP
- %Start Menu%\Programs\VIS29f9.TMP
- %Start Menu%\Programs\VIS2e9c.TMP
- %User Temp%\~vis0000\default.bmp
- %User Temp%\~vis0000\divxpro_gain.jpg
- %User Temp%\~vis0000\dsetup.dll
- %User Temp%\~vis0000\English.vlg
- %User Temp%\~vis0000\GAIN Banner.bmp
- %User Temp%\~vis0000\jpeg.dll
- %User Temp%\~vis0000\r0000000.000
- %User Temp%\~vis0000\r0000000.001
- %User Temp%\~vis0000\r0000000.002
- %User Temp%\~vis0000\r0000000.003
- %User Temp%\~vis0000\r0000000.004
- %User Temp%\~vis0000\r0000000.005
- %User Temp%\~vis0000\r0000000.006
- %User Temp%\~vis0000\r0000000.007
- %User Temp%\~vis0000\r0000000.008
- %User Temp%\~vis0000\r0000000.009
- %User Temp%\~vis0000\r0000000.010
- %User Temp%\~vis0000\r0000000.011
- %User Temp%\~vis0000\r0000000.012
- %User Temp%\~vis0000\r0000000.013
- %User Temp%\~vis0000\r0000000.014
- %User Temp%\~vis0000\r0000000.015
- %User Temp%\~vis0000\r0000000.016
- %User Temp%\~vis0000\r0000000.017
- %User Temp%\~vis0000\r0000000.018
- %User Temp%\~vis0000\r0000000.019
- %User Temp%\~vis0000\r0000000.020
- %User Temp%\~vis0000\r0000000.021
- %User Temp%\~vis0000\r0000000.022
- %User Temp%\~vis0000\r0000000.023
- %User Temp%\~vis0000\r0000000.024
- %User Temp%\~vis0000\r0000000.025
- %User Temp%\~vis0000\r0000000.026
- %User Temp%\~vis0000\rebootnt.exe
- %User Temp%\~vis0000\rollback.log
- %User Temp%\~vis0000\vise32ex.dll
(Note: %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It adds the following registry keys:
HKEY_CURRENT_USER\Software\DivXNetworks
HKEY_CURRENT_USER\Software\DivXNetworks\
DivX4Windows
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\MediaResources\icm
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\MediaResources\icm\
vidc.DIVX
HKEY_LOCAL_MACHINE\Software\DivXNetworks
HKEY_LOCAL_MACHINE\Software\DivXNetworks\
DivX
HKEY_LOCAL_MACHINE\Software\DivXNetworks\
DivX\Enhancement
HKEY_CLASSES_ROOT\AVIFILE\Extensions\
MP4
HKEY_CLASSES_ROOT\CLSID\{634f0d74-0dda-4344-be44-8b1c35ee3296}
HKEY_CLASSES_ROOT\CLSID\{634f0d74-0dda-4344-be44-8b1c35ee3296}\
AVIFile
HKEY_LOCAL_MACHINE\Software\DivXNetworks\
DivX Player 2.0
HKEY_CURRENT_USER\Software\DivXNetworks\
DivX Player 2.0
HKEY_CLASSES_ROOT\.divx
HKEY_CLASSES_ROOT\divxfile
HKEY_CLASSES_ROOT\divxfile\DefaultIcon
HKEY_CLASSES_ROOT\divxfile\shell
HKEY_CLASSES_ROOT\divxfile\shell\
open
HKEY_CLASSES_ROOT\divxfile\shell\
open\command
HKEY_CLASSES_ROOT\.div
HKEY_CLASSES_ROOT\divfile
HKEY_CLASSES_ROOT\divfile\DefaultIcon
HKEY_CLASSES_ROOT\divfile\shell
HKEY_CLASSES_ROOT\divfile\shell\
open
HKEY_CLASSES_ROOT\divfile\shell\
open\command
HKEY_CLASSES_ROOT\.dps
HKEY_CLASSES_ROOT\dpsfile
HKEY_CLASSES_ROOT\dpsfile\DefaultIcon
HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\
Instance\{78766964-0000-0010-8000-00AA00389B71}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DivX Codec
HKEY_CLASSES_ROOT\CLSID\{78766964-0000-0010-8000-00AA00389B71}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{78766964-0000-0010-8000-00AA00389B71}\InprocServer32
HKEY_CLASSES_ROOT\CLSID\{310E42A0-F913-11D4-887C-006008DC5C26}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{310E42A0-F913-11D4-887C-006008DC5C26}\InprocServer32
HKEY_CLASSES_ROOT\CLSID\{1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}\InprocServer32
HKEY_CLASSES_ROOT\CLSID\{83E66439-05D5-488C-A236-AA20E543D384}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{83E66439-05D5-488C-A236-AA20E543D384}\InprocServer32
HKEY_CLASSES_ROOT\CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\
Instance\CLSID_DivXDeux
HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\
Instance\CLSID_DivXDeux
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\
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
It adds the following registry entries:
HKEY_CURRENT_USER\Software\DivXNetworks\
DivX4Windows
Postprocessing = "14"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\drivers.desc
DivX.dll = "DivX 5.0 Pro Codec"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\MediaResources\icm\
vidc.DIVX
Description = "DivX 5.0 Codec"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\MediaResources\icm\
vidc.DIVX
Driver = "DivX.dll"
HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\
DivX
uninstdir = "%Program Files%\DivX"
HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\
DivX Player 2.0
InstallDir = "%Program Files%\DivX\DivX Player 2.0 Alpha"
HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\
DivX Player 2.0
SkinsDir = "%Program Files%\DivX\DivX Player 2.0 Alpha\Skins"
HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\
DivX Player 2.0
applicationdir = "%Program Files%\DivX\DivX Player 2.0 Alpha"
HKEY_CURRENT_USER\Software\DivXNetworks\
DivX Player 2.0
applicationdir = "%Program Files%\DivX\DivX Player 2.0 Alpha"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{78766964-0000-0010-8000-00AA00389B71}\InprocServer32
ThreadingModel = "Both"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{310E42A0-F913-11D4-887C-006008DC5C26}\InprocServer32
ThreadingModel = "Both"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}\InprocServer32
ThreadingModel = "Both"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{83E66439-05D5-488C-A236-AA20E543D384}\InprocServer32
ThreadingModel = "Both"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{78766964-0000-0010-8000-00AA00389B71}
FriendlyName = "DivX Decoder Filter"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{78766964-0000-0010-8000-00AA00389B71}
CLSID = "{78766964-0000-0010-8000-00AA00389B71}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{78766964-0000-0010-8000-00AA00389B71}
FilterData = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance\
CLSID_DivXDeux
FriendlyName = "DivX Decoder Filter"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance\
CLSID_DivXDeux
CLSID = "{78766964-0000-0010-8000-00AA00389B71}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance\
CLSID_DivXDeux
FilterData = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
CLSID_DivXDeux
FriendlyName = "DivX Decoder Filter"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
CLSID_DivXDeux
CLSID = "{78766964-0000-0010-8000-00AA00389B71}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
CLSID_DivXDeux
FilterData = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DivX Codec
DisplayName = "DivX 5.0.3 Pro Bundle"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
DivX Codec
UninstallString = "%Windows%\unvise32.exe %Program Files%\DivX\uninstal.log"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\SharedDlls
%Windows%\unvise32.exe = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
uets = "{random values}"
HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
AppPath = "%Program Files%\divx\divx pro codec\gain_trickler_3202.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
OldTrickler = "%Program Files%\divx\divx pro codec\gain_trickler.exe0"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
GEF = "4"
HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Trickler
FirstStartValue = "349"
HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Gator\dyn
PdpFirstStart = "841:NEW"
HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\
Gator\stat
Guid = "6BDA2A38-F52D-49EC-9ABD-270F4AD39F30"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
GMG = "6BDA2A38-F52D-49EC-9ABD-270F4AD39F30"
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 = "57a26f5"
It deletes the following registry keys:
HKEY_CLASSES_ROOT\divxFile
HKEY_CLASSES_ROOT\divxFile\shell\
open\command
HKEY_CLASSES_ROOT\divxFile\DefaultIcon
HKEY_CURRENT_USER\Software\Microsoft\
Multimedia\ActiveMovie\Filter Cache
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\
{78766964-0000-0010-8000-00AA00389B71}
Dropping Routine
This adware drops the following files:
- %Start Menu%\Programs\DivX\DivX Pro Codec\DivX Help Guide.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\License.txt.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\Readme.txt.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\DivX.com.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\Decoder Configuration.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\DivX Player 2.0 Alpha.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\License.txt.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\DivX.com.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\Readme.txt.lnk
- %Desktop%\DivX Player 2.0 Alpha.lnk
- %Start Menu%\Programs\DivX\Remove DivX 5.0.3 Pro Bundle.lnk
- %Program Files%\DivX\uninstal.log
- %Windows%\unvise32.exe
- %Program Files%\divx\divx pro codec\gain_trickler_3202.exe
Other Details
This adware connects to the following possibly malicious URL:
- {BLOCKED}0.1
This report is generated via an automated analysis system.
SOLUTION
9.8
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
Step 3
Delete this registry key
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
- DivXNetworks
- In HKEY_CURRENT_USER\Software\DivXNetworks
- DivX4Windows
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources
- icm
- In HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\MediaResources\icm
- vidc.DIVX
- In HKEY_LOCAL_MACHINE\Software
- DivXNetworks
- In HKEY_LOCAL_MACHINE\SoftwareNetworks
- DivX
- In HKEY_LOCAL_MACHINE\Software\DivXNetworks\DivX
- Enhancement
- In HKEY_CLASSES_ROOT\AVIFILE\Extensions
- MP4
- In HKEY_CLASSES_ROOT\CLSID
- {634f0d74-0dda-4344-be44-8b1c35ee3296}
- In HKEY_CLASSES_ROOT\CLSID\{634f0d74-0dda-4344-be44-8b1c35ee3296}
- AVIFile
- In HKEY_LOCAL_MACHINE\Software\DivXNetworks
- DivX Player 2.0
- In HKEY_CURRENT_USER\Software\DivXNetworks
- DivX Player 2.0
- In HKEY_CLASSES_ROOT
- .divx
- In HKEY_CLASSES_ROOT
- divxfile
- In HKEY_CLASSES_ROOT\divxfile
- DefaultIcon
- In HKEY_CLASSES_ROOT\divxfile
- shell
- In HKEY_CLASSES_ROOT\divxfile\shell
- open
- In HKEY_CLASSES_ROOT\divxfile\shell\open
- command
- In HKEY_CLASSES_ROOT
- .div
- In HKEY_CLASSES_ROOT
- divfile
- In HKEY_CLASSES_ROOT\divfile
- DefaultIcon
- In HKEY_CLASSES_ROOT\divfile
- shell
- In HKEY_CLASSES_ROOT\divfile\shell
- open
- In HKEY_CLASSES_ROOT\divfile\shell\open
- command
- In HKEY_CLASSES_ROOT
- .dps
- In HKEY_CLASSES_ROOT
- dpsfile
- In HKEY_CLASSES_ROOT\dpsfile
- DefaultIcon
- In HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance
- {78766964-0000-0010-8000-00AA00389B71}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- DivX Codec
- In HKEY_CLASSES_ROOT\CLSID
- {78766964-0000-0010-8000-00AA00389B71}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{78766964-0000-0010-8000-00AA00389B71}
- InprocServer32
- In HKEY_CLASSES_ROOT\CLSID
- {310E42A0-F913-11D4-887C-006008DC5C26}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{310E42A0-F913-11D4-887C-006008DC5C26}
- InprocServer32
- In HKEY_CLASSES_ROOT\CLSID
- {1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}
- InprocServer32
- In HKEY_CLASSES_ROOT\CLSID
- {83E66439-05D5-488C-A236-AA20E543D384}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83E66439-05D5-488C-A236-AA20E543D384}
- InprocServer32
- In HKEY_CLASSES_ROOT\CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance
- CLSID_DivXDeux
- In HKEY_CLASSES_ROOT\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance
- CLSID_DivXDeux
- 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\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
Step 4
Delete this registry value
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 = "%Program Files%\divx\divx pro codec\gain_trickler_3202.exe "
- In HKEY_CURRENT_USER\Software\DivXNetworks\DivX4Windows
- Postprocessing = "14"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\drivers.desc
- DivX.dll = "DivX 5.0 Pro Codec"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\icm\vidc.DIVX
- Description = "DivX 5.0 Codec"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\MediaResources\icm\vidc.DIVX
- Driver = "DivX.dll"
- In HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\DivX
- uninstdir = "%Program Files%\DivX"
- In HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\DivX Player 2.0
- InstallDir = "%Program Files%\DivX\DivX Player 2.0 Alpha"
- In HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\DivX Player 2.0
- SkinsDir = "%Program Files%\DivX\DivX Player 2.0 Alpha\Skins"
- In HKEY_LOCAL_MACHINE\SOFTWARE\DivXNetworks\DivX Player 2.0
- applicationdir = "%Program Files%\DivX\DivX Player 2.0 Alpha"
- In HKEY_CURRENT_USER\Software\DivXNetworks\DivX Player 2.0
- applicationdir = "%Program Files%\DivX\DivX Player 2.0 Alpha"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{78766964-0000-0010-8000-00AA00389B71}\InprocServer32
- ThreadingModel = "Both"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{310E42A0-F913-11D4-887C-006008DC5C26}\InprocServer32
- ThreadingModel = "Both"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{1ADD57B8-A7A9-4518-B9B5-862590FF9EB4}\InprocServer32
- ThreadingModel = "Both"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{83E66439-05D5-488C-A236-AA20E543D384}\InprocServer32
- ThreadingModel = "Both"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{78766964-0000-0010-8000-00AA00389B71}
- FriendlyName = "DivX Decoder Filter"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{78766964-0000-0010-8000-00AA00389B71}
- CLSID = "{78766964-0000-0010-8000-00AA00389B71}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\{78766964-0000-0010-8000-00AA00389B71}
- FilterData = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance\CLSID_DivXDeux
- FriendlyName = "DivX Decoder Filter"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance\CLSID_DivXDeux
- CLSID = "{78766964-0000-0010-8000-00AA00389B71}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF49D4E0-1115-11CE-B03A-0020AF0BA770}\Instance\CLSID_DivXDeux
- FilterData = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\CLSID_DivXDeux
- FriendlyName = "DivX Decoder Filter"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\CLSID_DivXDeux
- CLSID = "{78766964-0000-0010-8000-00AA00389B71}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance\CLSID_DivXDeux
- FilterData = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DivX Codec
- DisplayName = "DivX 5.0.3 Pro Bundle"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\DivX Codec
- UninstallString = "%Windows%\unvise32.exe %Program Files%\DivX\uninstal.log"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDlls
- %Windows%\unvise32.exe = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
- uets = "{random values}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
- AppPath = "%Program Files%\divx\divx pro codec\gain_trickler_3202.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
- OldTrickler = "%Program Files%\divx\divx pro codec\gain_trickler.exe0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
- GEF = "4"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Trickler
- FirstStartValue = "349"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Gator\dyn
- PdpFirstStart = "841:NEW"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Gator.com\Gator\stat
- Guid = "6BDA2A38-F52D-49EC-9ABD-270F4AD39F30"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{21FFB6C0-0DA1-11D5-A9D5-00500413153C}
- GMG = "6BDA2A38-F52D-49EC-9ABD-270F4AD39F30"
- 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 = "57a26f5"
Step 5
Search and delete these components
- %Start Menu%\Programs\DivX\DivX Pro Codec\DivX Help Guide.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\License.txt.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\Readme.txt.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\DivX.com.lnk
- %Start Menu%\Programs\DivX\DivX Pro Codec\Decoder Configuration.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\DivX Player 2.0 Alpha.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\License.txt.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\DivX.com.lnk
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha\Readme.txt.lnk
- %Desktop%\DivX Player 2.0 Alpha.lnk
- %Start Menu%\Programs\DivX\Remove DivX 5.0.3 Pro Bundle.lnk
- %Program Files%\DivX\uninstal.log
- %Windows%\unvise32.exe
- %Program Files%\divx\divx pro codec\gain_trickler_3202.exe
Step 6
Search and delete these folders
- %User Temp%\~vis0000
- %Program Files%\DivX
- %Program Files%\DivX\DivX Pro Codec
- %Start Menu%\Programs\DivX
- %Start Menu%\Programs\DivX\DivX Pro Codec
- %Start Menu%\Programs\DivX\DivX Player 2.0 Alpha
- %Program Files%\DivX\DivX Player 2.0 Alpha
- %Program Files%\DivX\DivX Player 2.0 Alpha\Skins
- %User Temp%\fsg_tmp
- %User Temp%\fsg_tmp\accum
- %User Temp%\fsg_tmp\accum\Trickler
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as ADW_GATOR.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 8
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%\~vis0000\miscdata.xyz
- %Program Files%\DivX\xxxxxxxx.yyy
- %Start Menu%\Programs\VIScf46.TMP
- %Start Menu%\Programs\VIScf56.TMP
- %Start Menu%\Programs\VIScfb3.TMP
- %Start Menu%\Programs\VIScfc3.TMP
- %Start Menu%\Programs\VISd002.TMP
- %Start Menu%\Programs\VISdf53.TMP
- %Start Menu%\Programs\VISe00f.TMP
- %Start Menu%\Programs\VISe05d.TMP
- %Start Menu%\Programs\VISe176.TMP
- %Start Menu%\Programs\VISe31c.TMP
- %Start Menu%\Programs\VISe33b.TMP
- %Start Menu%\Programs\VISe3b8.TMP
- %Start Menu%\Programs\VISe4d2.TMP
- %Start Menu%\Programs\VISe61a.TMP
- %Start Menu%\Programs\VISe639.TMP
- %Start Menu%\Programs\VISe6b6.TMP
- %Start Menu%\Programs\VISe762.TMP
- %Start Menu%\Programs\VISe87b.TMP
- %Start Menu%\Programs\VISe917.TMP
- %Start Menu%\Programs\VISe927.TMP
- %Start Menu%\Programs\VISe9e3.TMP
- %Start Menu%\Programs\VISeb79.TMP
- %Start Menu%\Programs\VISeb98.TMP
- %Start Menu%\Programs\VISec54.TMP
- %Start Menu%\Programs\VISed1f.TMP
- %Start Menu%\Programs\VISee67.TMP
- %Start Menu%\Programs\VISee86.TMP
- %Start Menu%\Programs\VISef03.TMP
- %Start Menu%\Programs\VISefbf.TMP
- %Start Menu%\Programs\VISf0f7.TMP
- %Start Menu%\Programs\VISf116.TMP
- %Start Menu%\Programs\VISf1a3.TMP
- %Start Menu%\Programs\VISf28d.TMP
- %Start Menu%\Programs\VISf58b.TMP
- %Start Menu%\Programs\VISf5d9.TMP
- %Start Menu%\Programs\VISf5e9.TMP
- %Start Menu%\Programs\VISf695.TMP
- %Start Menu%\Programs\VISf7ec.TMP
- %Start Menu%\Programs\VIS20a2.TMP
- %Start Menu%\Programs\VIS214e.TMP
- %Start Menu%\Programs\VIS2258.TMP
- %Start Menu%\Programs\VIS29f9.TMP
- %Start Menu%\Programs\VIS2e9c.TMP
- %User Temp%\~vis0000\default.bmp
- %User Temp%\~vis0000\divxpro_gain.jpg
- %User Temp%\~vis0000\dsetup.dll
- %User Temp%\~vis0000\English.vlg
- %User Temp%\~vis0000\GAIN Banner.bmp
- %User Temp%\~vis0000\jpeg.dll
- %User Temp%\~vis0000\r0000000.000
- %User Temp%\~vis0000\r0000000.001
- %User Temp%\~vis0000\r0000000.002
- %User Temp%\~vis0000\r0000000.003
- %User Temp%\~vis0000\r0000000.004
- %User Temp%\~vis0000\r0000000.005
- %User Temp%\~vis0000\r0000000.006
- %User Temp%\~vis0000\r0000000.007
- %User Temp%\~vis0000\r0000000.008
- %User Temp%\~vis0000\r0000000.009
- %User Temp%\~vis0000\r0000000.010
- %User Temp%\~vis0000\r0000000.011
- %User Temp%\~vis0000\r0000000.012
- %User Temp%\~vis0000\r0000000.013
- %User Temp%\~vis0000\r0000000.014
- %User Temp%\~vis0000\r0000000.015
- %User Temp%\~vis0000\r0000000.016
- %User Temp%\~vis0000\r0000000.017
- %User Temp%\~vis0000\r0000000.018
- %User Temp%\~vis0000\r0000000.019
- %User Temp%\~vis0000\r0000000.020
- %User Temp%\~vis0000\r0000000.021
- %User Temp%\~vis0000\r0000000.022
- %User Temp%\~vis0000\r0000000.023
- %User Temp%\~vis0000\r0000000.024
- %User Temp%\~vis0000\r0000000.025
- %User Temp%\~vis0000\r0000000.026
- %User Temp%\~vis0000\rebootnt.exe
- %User Temp%\~vis0000\rollback.log
- %User Temp%\~vis0000\vise32ex.dll
Step 9
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_CLASSES_ROOT
- divxFile
- In HKEY_CLASSES_ROOT\divxFile\shell\open
- command
- In HKEY_CLASSES_ROOT\divxFile
- DefaultIcon
- In HKEY_CURRENT_USER\Software\Microsoft\Multimedia\ActiveMovie
- Filter Cache
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{083863F1-70DE-11d0-BD40-00A0C911CE86}\Instance
- {78766964-0000-0010-8000-00AA00389B71}
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