Adware.Win32.Gator.B
Adware:Win32/Gator!MSR (MICROSOFT)
Windows
![](/vinfo/imgFiles/legend.jpg)
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.
It does not have any propagation routine.
It does not have any backdoor routine.
It does not have any information-stealing capability.
It connects to certain websites to send and receive information.
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 drops the following files:
- %User Temp%\~vis0000\vise32ex.dll
- %User Temp%\~vis0000\English.vlg
- %User Temp%\~vis0000\dsetup.dll
- %User Temp%\~vis0000\jpeg.dll
- %User Temp%\~vis0000\miscdata.xyz
- %User Temp%\~vis0000\rebootnt.exe
- %User Temp%\~vis0000\uninst32.exe
- %User Temp%\~vis0000\default.bmp
- %User Temp%\~vis0000\divxpro_gain.jpg
- %User Temp%\~vis0000\GAIN Banner.bmp
- %User Temp%\~vis0000\uninstal.log
- %User Temp%\~vis0000\rollback.log
- %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
- %Program Files%\DivX\xxxxxxxx.yyy
- %Program Files%\DivX\DivX Pro Codec\LICENSE.TXT
- %Program Files%\DivX\DivX Pro Codec\DivX help guide.url
- %Program Files%\DivX\DivX Pro Codec\DivX.com.url
- %Program Files%\DivX\DivX Pro Codec\README.txt
- %Program Files%\DivX\DivX Pro Codec\config.exe
- %Program Files%\DivX\DivX Pro Codec\Gain_Trickler.exe
- %Program Files%\DivX\DivX Player 2.0 Alpha\Skins\Default.dps
- %Program Files%\DivX\DivX Player 2.0 Alpha\DivX Player 2.0 Alpha.exe
- %Program Files%\DivX\DivX Player 2.0 Alpha\DivXPlayer.dbf
- %Program Files%\DivX\DivX Player 2.0 Alpha\LICENSE.TXT
- %Program Files%\DivX\DivX Player 2.0 Alpha\README.txt
- %Program Files%\DivX\DivX Player 2.0 Alpha\DivX.com.url
- %Program Files%\DivX\DivX Pro Codec\gain_trickler_3202.exe
- %Program Files%\DivX\uninstal.log
- %System%\divxdec.ax
- %System%\divx.dll
- %Windows%\unvise32.exe
- %Common Programs%\VIS7bd6.TMP
- %Common Programs%\VIS7be5.TMP
- %Common Programs%\VIS7c14.TMP
- %Common Programs%\VIS7c24.TMP
- %Common Programs%\VIS7c33.TMP
- %Common Programs%\DivX\DivX Pro Codec\DivX Help Guide.lnk
- %Common Programs%\DivX\DivX Pro Codec\License.txt.lnk
- %Common Programs%\DivX\DivX Pro Codec\Readme.txt.lnk
- %Common Programs%\DivX\DivX Pro Codec\DivX.com.lnk
- %Common Programs%\DivX\DivX Pro Codec\Decoder Configuration.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\DivX Player 2.0 Alpha.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\License.txt.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\DivX.com.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\Readme.txt.lnk
- %Common Programs%\DivX\Remove DivX 5.0.3 Pro Bundle.lnk
- %Common Programs%\VIS7c43.TMP
- %Common Programs%\VIS7c53.TMP
- %Common Programs%\VIS7c62.TMP
- %Common Programs%\VIS7c72.TMP
- %Common Programs%\VIS7c81.TMP
- %Common Programs%\VIS7c91.TMP
- %Common Programs%\VIS7ca1.TMP
- %Common Programs%\VIS7cb0.TMP
- %Common Programs%\VIS7cc0.TMP
- %Common Programs%\VIS7ccf.TMP
- %Common Programs%\VIS7cdf.TMP
- %Common Programs%\VIS7cef.TMP
- %Common Programs%\VIS7cfe.TMP
- %Common Programs%\VIS7d0e.TMP
- %Common Programs%\VIS7d1d.TMP
- %Common Programs%\VIS7d2d.TMP
- %Common Programs%\VIS7d4c.TMP
- %Common Programs%\VIS7d5c.TMP
- %Common Programs%\VIS7d6b.TMP
- %Common Programs%\VIS7d7b.TMP
- %Common Programs%\VIS7d8b.TMP
- %Common Programs%\VIS7d9a.TMP
- %Common Programs%\VIS7daa.TMP
- %Common Programs%\VIS7db9.TMP
- %Common Programs%\VIS7dc9.TMP
- %Common Programs%\VIS7dd9.TMP
- %Common Programs%\VIS7de8.TMP
- %Common Programs%\VIS7df8.TMP
- %Common Programs%\VIS7e17.TMP
- %Common Programs%\VIS7e27.TMP
- %Common Programs%\VIS7e36.TMP
- %Common Programs%\VIS7e46.TMP
- %Common Programs%\VIS7e55.TMP
- %Common Programs%\VIS88d1.TMP
- %Common Programs%\VIS88e0.TMP
- %Common Programs%\VIS88f0.TMP
- %Common Programs%\VIS89bb.TMP
- %Common Programs%\VIS89da.TMP
- %Desktop%\DivX Player 2.0 Alpha.lnk
It adds the following processes:
- "%System%\regsvr32.exe" /s divxdec.ax
- "%Program Files%\DivX\DivX Pro Codec\Gain_Trickler.exe"
- "%Program Files%\divx\divx pro codec\gain_trickler_3202.exe"
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It creates the following folders:
- %User Temp%\~vis0000
- %Program Files%\DivX
- %Program Files%\DivX\DivX Pro Codec
- %Common Programs%\DivX
- %Common Programs%\DivX\DivX Pro Codec
- %Common 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 current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Common Programs% is the folder that contains common program groups for all users, which is usually C:\Documents and Settings\All Users\Start Menu\Programs on Windows 2000, XP, and Server 2003, or C:\ProgramData\Microsoft\Windows\Start Menu\Programs on Windows Vista, 7, and 8.)
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 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"
Propagation
This Adware does not have any propagation routine.
Backdoor Routine
This Adware does not have any backdoor routine.
Rootkit Capabilities
This Adware does not have rootkit capabilities.
Information Theft
This Adware does not have any information-stealing capability.
Other Details
This Adware 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 connects to the following website to send and receive information:
- http://{BLOCKED}r.com/Cmd/client_log_event
It does the following:
- It installs the following products:
- DivX Pro Codec 5.0.3
- DivX Player 2.0 Alpha 5
- It displays the following installation window upon executing the file:
- It shows the following window prompting the user to select the products to be installed:
It does not exploit any vulnerability.
SOLUTION
9.8
1.723.00
04 Aug 2016
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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 files
- %User Temp%\~vis0000\vise32ex.dll
- %User Temp%\~vis0000\English.vlg
- %User Temp%\~vis0000\dsetup.dll
- %User Temp%\~vis0000\jpeg.dll
- %User Temp%\~vis0000\miscdata.xyz
- %User Temp%\~vis0000\rebootnt.exe
- %User Temp%\~vis0000\uninst32.exe
- %User Temp%\~vis0000\default.bmp
- %User Temp%\~vis0000\divxpro_gain.jpg
- %User Temp%\~vis0000\GAIN Banner.bmp
- %User Temp%\~vis0000\uninstal.log
- %User Temp%\~vis0000\rollback.log
- %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
- %Program Files%\DivX\xxxxxxxx.yyy
- %Program Files%\DivX\DivX Pro Codec\LICENSE.TXT
- %Program Files%\DivX\DivX Pro Codec\DivX help guide.url
- %Program Files%\DivX\DivX Pro Codec\DivX.com.url
- %Program Files%\DivX\DivX Pro Codec\README.txt
- %Program Files%\DivX\DivX Pro Codec\config.exe
- %Program Files%\DivX\DivX Pro Codec\Gain_Trickler.exe
- %Program Files%\DivX\DivX Player 2.0 Alpha\Skins\Default.dps
- %Program Files%\DivX\DivX Player 2.0 Alpha\DivX Player 2.0 Alpha.exe
- %Program Files%\DivX\DivX Player 2.0 Alpha\DivXPlayer.dbf
- %Program Files%\DivX\DivX Player 2.0 Alpha\LICENSE.TXT
- %Program Files%\DivX\DivX Player 2.0 Alpha\README.txt
- %Program Files%\DivX\DivX Player 2.0 Alpha\DivX.com.url
- %Program Files%\DivX\DivX Pro Codec\gain_trickler_3202.exe
- %Program Files%\DivX\uninstal.log
- %System%\divxdec.ax
- %System%\divx.dll
- %Windows%\unvise32.exe
- %Common Programs%\VIS7bd6.TMP
- %Common Programs%\VIS7be5.TMP
- %Common Programs%\VIS7c14.TMP
- %Common Programs%\VIS7c24.TMP
- %Common Programs%\VIS7c33.TMP
- %Common Programs%\DivX\DivX Pro Codec\DivX Help Guide.lnk
- %Common Programs%\DivX\DivX Pro Codec\License.txt.lnk
- %Common Programs%\DivX\DivX Pro Codec\Readme.txt.lnk
- %Common Programs%\DivX\DivX Pro Codec\DivX.com.lnk
- %Common Programs%\DivX\DivX Pro Codec\Decoder Configuration.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\DivX Player 2.0 Alpha.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\License.txt.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\DivX.com.lnk
- %Common Programs%\DivX\DivX Player 2.0 Alpha\Readme.txt.lnk
- %Common Programs%\DivX\Remove DivX 5.0.3 Pro Bundle.lnk
- %Common Programs%\VIS7c43.TMP
- %Common Programs%\VIS7c53.TMP
- %Common Programs%\VIS7c62.TMP
- %Common Programs%\VIS7c72.TMP
- %Common Programs%\VIS7c81.TMP
- %Common Programs%\VIS7c91.TMP
- %Common Programs%\VIS7ca1.TMP
- %Common Programs%\VIS7cb0.TMP
- %Common Programs%\VIS7cc0.TMP
- %Common Programs%\VIS7ccf.TMP
- %Common Programs%\VIS7cdf.TMP
- %Common Programs%\VIS7cef.TMP
- %Common Programs%\VIS7cfe.TMP
- %Common Programs%\VIS7d0e.TMP
- %Common Programs%\VIS7d1d.TMP
- %Common Programs%\VIS7d2d.TMP
- %Common Programs%\VIS7d4c.TMP
- %Common Programs%\VIS7d5c.TMP
- %Common Programs%\VIS7d6b.TMP
- %Common Programs%\VIS7d7b.TMP
- %Common Programs%\VIS7d8b.TMP
- %Common Programs%\VIS7d9a.TMP
- %Common Programs%\VIS7daa.TMP
- %Common Programs%\VIS7db9.TMP
- %Common Programs%\VIS7dc9.TMP
- %Common Programs%\VIS7dd9.TMP
- %Common Programs%\VIS7de8.TMP
- %Common Programs%\VIS7df8.TMP
- %Common Programs%\VIS7e17.TMP
- %Common Programs%\VIS7e27.TMP
- %Common Programs%\VIS7e36.TMP
- %Common Programs%\VIS7e46.TMP
- %Common Programs%\VIS7e55.TMP
- %Common Programs%\VIS88d1.TMP
- %Common Programs%\VIS88e0.TMP
- %Common Programs%\VIS88f0.TMP
- %Common Programs%\VIS89bb.TMP
- %Common Programs%\VIS89da.TMP
- %Desktop%\DivX Player 2.0 Alpha.lnk
Step 6
Search and delete these folders
- %User Temp%\~vis0000
- %Program Files%\DivX
- %Program Files%\DivX\DivX Pro Codec
- %Common Programs%\DivX
- %Common Programs%\DivX\DivX Pro Codec
- %Common 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 Adware.Win32.Gator.B. 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
Scan your computer with your Trend Micro product to delete files detected as Adware.Win32.Gator.B. 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 the following Trend Micro Support pages for more information:
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