TSPY_KOVTER.XXJ
Windows
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes itself after execution.
TECHNICAL DETAILS
445,260 bytes
EXE
No
02 May 2017
Arrival Details
This Spyware 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 Spyware creates the following folders:
- %Application Data%\lefoqy
- %System Root%\_110484_
- %System Root%\99b61ec816710b13ac24
- %System Root%\99b61ec816710b13ac24\update
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming 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.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Other System Modifications
This Spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
HKEY_CURRENT_USER\Software\qanz
HKEY_LOCAL_MACHINE\SOFTWARE\qanz
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows\WindowsUpdate\
OSUpgrade
HKEY_LOCAL_MACHINE\SOFTWARE\07543E9F5A4AB24AD
HKEY_LOCAL_MACHINE\SOFTWARE\51BCA27834D9C19002
It adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
regsvr32.exe = "22b8"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
iexplore.exe = "22b8"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
regsvr32.exe = "22b8"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
iexplore.exe = "22b8"
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows\WindowsUpdate
DisableOSUpgrade = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows\WindowsUpdate\
OSUpgrade
ReservationsAllowed = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\qanz
ltpxeirzlt = "eGwRgMVrVTpfkg=="
HKEY_CURRENT_USER\Software\qanz
ltpxeirzlt = "dzkQj5FpAmNYfg=="
HKEY_LOCAL_MACHINE\SOFTWARE\qanz
bjtkim = "Ij4Rip5tWVT/Q5zGeCMzjj34Q66gMkg="
HKEY_CURRENT_USER\Software\qanz
bjtkim = "cj9G2cU+Agk1RN96GD+DyyuXP3QbNII="
HKEY_LOCAL_MACHINE\SOFTWARE\qanz
eljz = "IjlM2pA6VyOj4YdV3nQczbg="
HKEY_CURRENT_USER\Software\qanz
eljz = "JT4Q3p4wA0KD3QGEEAYGiDk="
HKEY_LOCAL_MACHINE\SOFTWARE\qanz
zojewbdazo = "{random characters}"
HKEY_CURRENT_USER\Software\qanz
zojewbdazo = "{random characters}"
HKEY_LOCAL_MACHINE\SOFTWARE\qanz
kqdg = "{random characters}"
HKEY_CURRENT_USER\Software\qanz
kqdg = "{random characters}"
HKEY_LOCAL_MACHINE\SOFTWARE\07543E9F5A4AB24AD
C6141C5FB2E5F986E1 = "C6141C5FB2E5F986E1"
HKEY_LOCAL_MACHINE\SOFTWARE\51BCA27834D9C19002
8EE73417A9011CA9E7 = "8EE73417A9011CA9E7"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Setup
LogLevel = "2"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Setup
LogLevel = "0"
It modifies the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1206 = "0"
(Note: The default value data of the said registry entry is 3.)
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
2300 = "0"
(Note: The default value data of the said registry entry is 1.)
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1809 = "3"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1206 = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
2300 = "0"
(Note: The default value data of the said registry entry is 1.)
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1809 = "3"
(Note: The default value data of the said registry entry is 3.)
It deletes the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE
Dropping Routine
This Spyware drops the following files:
- %Application Data%\lefoqy\lefoqy.exe
- %User Temp%\WindowsXP-KB968930-x86-ENG.exe
- %System Root%\99b61ec816710b13ac24\eventforwarding.adm
- %System Root%\99b61ec816710b13ac24\windowsremotemanagement.adm
- %System Root%\99b61ec816710b13ac24\windowsremoteshell.adm
- %System Root%\99b61ec816710b13ac24\windowspowershellhelp.chm
- %System Root%\99b61ec816710b13ac24\winrm.cmd
- %System Root%\99b61ec816710b13ac24\compiledcomposition.microsoft.powershell.gpowershell.dll
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.dll
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.interop.dll
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.diagnostics.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.diagnostics.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.management.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.management.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.utility.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.utility.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.consolehost.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.consolehost.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.editor.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.editor.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.gpowershell.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.gpowershell.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.graphicalhost.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.graphicalhost.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.security.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.security.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.management.dll
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.management.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.runtime.dll
- %System Root%\99b61ec816710b13ac24\powershell_ise.resources.dll
- %System Root%\99b61ec816710b13ac24\pspluginwkr.dll
- %System Root%\99b61ec816710b13ac24\pwrshmsg.dll
- %System Root%\99b61ec816710b13ac24\pwrshplugin.dll
- %System Root%\99b61ec816710b13ac24\pwrshsip.dll
- %System Root%\99b61ec816710b13ac24\spmsg.dll
- %System Root%\99b61ec816710b13ac24\system.management.automation.dll
- %System Root%\99b61ec816710b13ac24\system.management.automation.resources.dll
- %System Root%\99b61ec816710b13ac24\wevtfwd.dll
- %System Root%\99b61ec816710b13ac24\winrmprov.dll
- %System Root%\99b61ec816710b13ac24\winrscmd.dll
- %System Root%\99b61ec816710b13ac24\winrsmgr.dll
- %System Root%\99b61ec816710b13ac24\winrssrv.dll
- %System Root%\99b61ec816710b13ac24\wsmauto.dll
- %System Root%\99b61ec816710b13ac24\wsmplpxy.dll
- %System Root%\99b61ec816710b13ac24\wsmres.dll
- %System Root%\99b61ec816710b13ac24\wsmsvc.dll
- %System Root%\99b61ec816710b13ac24\wsmwmipl.dll
- %System Root%\99b61ec816710b13ac24\powershell.exe
- %System Root%\99b61ec816710b13ac24\powershell_ise.exe
- %System Root%\99b61ec816710b13ac24\pscustomsetuputil.exe
- %System Root%\99b61ec816710b13ac24\pssetupnativeutils.exe
- %System Root%\99b61ec816710b13ac24\spuninst.exe
- %System Root%\99b61ec816710b13ac24\spupdsvc.exe
- %System Root%\99b61ec816710b13ac24\winrs.exe
- %System Root%\99b61ec816710b13ac24\winrshost.exe
- %System Root%\99b61ec816710b13ac24\wsmanhttpconfig.exe
- %System Root%\99b61ec816710b13ac24\wsmprovhost.exe
- %System Root%\99b61ec816710b13ac24\wtrinstaller.ico
- %System Root%\99b61ec816710b13ac24\winrm.ini
- %System Root%\99b61ec816710b13ac24\winrmprov.mof
- %System Root%\99b61ec816710b13ac24\wsmauto.mof
- %System Root%\99b61ec816710b13ac24\powershell.exe.mui
- %System Root%\99b61ec816710b13ac24\profile.ps1
- %System Root%\99b61ec816710b13ac24\bitstransfer.format.ps1xml
- %System Root%\99b61ec816710b13ac24\certificate.format.ps1xml
- %System Root%\99b61ec816710b13ac24\diagnostics.format.ps1xml
- %System Root%\99b61ec816710b13ac24\dotnettypes.format.ps1xml
- %System Root%\99b61ec816710b13ac24\filesystem.format.ps1xml
- %System Root%\99b61ec816710b13ac24\getevent.types.ps1xml
- %System Root%\99b61ec816710b13ac24\help.format.ps1xml
- %System Root%\99b61ec816710b13ac24\powershellcore.format.ps1xml
- %System Root%\99b61ec816710b13ac24\powershelltrace.format.ps1xml
- %System Root%\99b61ec816710b13ac24\registry.format.ps1xml
- %System Root%\99b61ec816710b13ac24\types.ps1xml
- %System Root%\99b61ec816710b13ac24\wsman.format.ps1xml
- %System Root%\99b61ec816710b13ac24\bitstransfer.psd1
- %System Root%\99b61ec816710b13ac24\importallmodules.psd1
- %System Root%\99b61ec816710b13ac24\about_aliases.help.txt
- %System Root%\99b61ec816710b13ac24\about_arithmetic_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_arrays.help.txt
- %System Root%\99b61ec816710b13ac24\about_assignment_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_automatic_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_bits_cmdlets.help.txt
- %System Root%\99b61ec816710b13ac24\about_break.help.txt
- %System Root%\99b61ec816710b13ac24\about_command_precedence.help.txt
- %System Root%\99b61ec816710b13ac24\about_command_syntax.help.txt
- %System Root%\99b61ec816710b13ac24\about_comment_based_help.help.txt
- %System Root%\99b61ec816710b13ac24\about_commonparameters.help.txt
- %System Root%\99b61ec816710b13ac24\about_comparison_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_continue.help.txt
- %System Root%\99b61ec816710b13ac24\about_core_commands.help.txt
- %System Root%\99b61ec816710b13ac24\about_data_sections.help.txt
- %System Root%\99b61ec816710b13ac24\about_debuggers.help.txt
- %System Root%\99b61ec816710b13ac24\about_do.help.txt
- %System Root%\99b61ec816710b13ac24\about_environment_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_escape_characters.help.txt
- %System Root%\99b61ec816710b13ac24\about_eventlogs.help.txt
- %System Root%\99b61ec816710b13ac24\about_execution_policies.help.txt
- %System Root%\99b61ec816710b13ac24\about_for.help.txt
- %System Root%\99b61ec816710b13ac24\about_foreach.help.txt
- %System Root%\99b61ec816710b13ac24\about_format.ps1xml.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_advanced.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_advanced_methods.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_advanced_parameters.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_cmdletbindingattribute.help.txt
- %System Root%\99b61ec816710b13ac24\about_hash_tables.help.txt
- %System Root%\99b61ec816710b13ac24\about_history.help.txt
- %System Root%\99b61ec816710b13ac24\about_if.help.txt
- %System Root%\99b61ec816710b13ac24\about_job_details.help.txt
- %System Root%\99b61ec816710b13ac24\about_jobs.help.txt
- %System Root%\99b61ec816710b13ac24\about_join.help.txt
- %System Root%\99b61ec816710b13ac24\about_language_keywords.help.txt
- %System Root%\99b61ec816710b13ac24\about_line_editing.help.txt
- %System Root%\99b61ec816710b13ac24\about_locations.help.txt
- %System Root%\99b61ec816710b13ac24\about_logical_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_methods.help.txt
- %System Root%\99b61ec816710b13ac24\about_modules.help.txt
- %System Root%\99b61ec816710b13ac24\about_objects.help.txt
- %System Root%\99b61ec816710b13ac24\about_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_parameters.help.txt
- %System Root%\99b61ec816710b13ac24\about_parsing.help.txt
- %System Root%\99b61ec816710b13ac24\about_path_syntax.help.txt
- %System Root%\99b61ec816710b13ac24\about_pipelines.help.txt
- %System Root%\99b61ec816710b13ac24\about_preference_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_profiles.help.txt
- %System Root%\99b61ec816710b13ac24\about_prompts.help.txt
- %System Root%\99b61ec816710b13ac24\about_properties.help.txt
- %System Root%\99b61ec816710b13ac24\about_providers.help.txt
- %System Root%\99b61ec816710b13ac24\about_pssession_details.help.txt
- %System Root%\99b61ec816710b13ac24\about_pssessions.help.txt
- %System Root%\99b61ec816710b13ac24\about_pssnapins.help.txt
- %System Root%\99b61ec816710b13ac24\about_quoting_rules.help.txt
- %System Root%\99b61ec816710b13ac24\about_redirection.help.txt
- %System Root%\99b61ec816710b13ac24\about_ref.help.txt
- %System Root%\99b61ec816710b13ac24\about_regular_expressions.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_faq.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_jobs.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_output.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_requirements.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_troubleshooting.help.txt
- %System Root%\99b61ec816710b13ac24\about_requires.help.txt
- %System Root%\99b61ec816710b13ac24\about_reserved_words.help.txt
- %System Root%\99b61ec816710b13ac24\about_return.help.txt
- %System Root%\99b61ec816710b13ac24\about_scopes.help.txt
- %System Root%\99b61ec816710b13ac24\about_script_blocks.help.txt
- %System Root%\99b61ec816710b13ac24\about_script_internationalization.help.txt
- %System Root%\99b61ec816710b13ac24\about_scripts.help.txt
- %System Root%\99b61ec816710b13ac24\about_session_configurations.help.txt
- %System Root%\99b61ec816710b13ac24\about_signing.help.txt
- %System Root%\99b61ec816710b13ac24\about_special_characters.help.txt
- %System Root%\99b61ec816710b13ac24\about_split.help.txt
- %System Root%\99b61ec816710b13ac24\about_switch.help.txt
- %System Root%\99b61ec816710b13ac24\about_throw.help.txt
- %System Root%\99b61ec816710b13ac24\about_transactions.help.txt
- %System Root%\99b61ec816710b13ac24\about_trap.help.txt
- %System Root%\99b61ec816710b13ac24\about_try_catch_finally.help.txt
- %System Root%\99b61ec816710b13ac24\about_type_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_types.ps1xml.help.txt
- %System Root%\99b61ec816710b13ac24\about_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_while.help.txt
- %System Root%\99b61ec816710b13ac24\about_wildcards.help.txt
- %System Root%\99b61ec816710b13ac24\about_windows_powershell_2.0.help.txt
- %System Root%\99b61ec816710b13ac24\about_windows_powershell_ise.help.txt
- %System Root%\99b61ec816710b13ac24\about_wmi_cmdlets.help.txt
- %System Root%\99b61ec816710b13ac24\about_ws-management_cmdlets.help.txt
- %System Root%\99b61ec816710b13ac24\default.help.txt
- %System Root%\99b61ec816710b13ac24\winrm.vbs
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.diagnostics.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.management.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.utility.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.consolehost.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.security.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.management.dll-help.xml
- %System Root%\99b61ec816710b13ac24\system.management.automation.dll-help.xml
- %System Root%\99b61ec816710b13ac24\wsmpty.xsl
- %System Root%\99b61ec816710b13ac24\wsmtxt.xsl
- %System Root%\99b61ec816710b13ac24\update\kb968930xp.cat
- %System Root%\99b61ec816710b13ac24\update\spcustom.dll
- %System Root%\99b61ec816710b13ac24\update\updspapi.dll
- %System Root%\99b61ec816710b13ac24\update\update.exe
- %System Root%\99b61ec816710b13ac24\update\update.inf
- %System Root%\99b61ec816710b13ac24\update\eula.txt
- %System Root%\99b61ec816710b13ac24\update\update.ver
- %System Root%\99b61ec816710b13ac24\$shtdwn$.req
Other Details
This Spyware connects to the following possibly malicious URL:
- http://{BLOCKED}7.72.90
- http://{BLOCKED}7.72.90/{random path}
- {BLOCKED}.3.222
- {BLOCKED}.172.32
- {BLOCKED}2.98
- {BLOCKED}7.18.116
- {BLOCKED}.116.8
- {BLOCKED}.211.35
- {BLOCKED}.140.198
- {BLOCKED}3.249.127
- {BLOCKED}.50.48
- {BLOCKED}.253.109
- {BLOCKED}.4.253
- {BLOCKED}1.85.24
- {BLOCKED}.153.236
- {BLOCKED}.197.200
- {BLOCKED}0.74.173
- {BLOCKED}.66.19
- {BLOCKED}6.43.100
- {BLOCKED}4.18.37
- {BLOCKED}2.154.245
- {BLOCKED}.27.145
- {BLOCKED}.119.110
- {BLOCKED}23.2
- {BLOCKED}4.176.92
- {BLOCKED}85.34
- {BLOCKED}.11.66
- {BLOCKED}.202.122
- {BLOCKED}5.19.142
- {BLOCKED}.106.221
- {BLOCKED}2.236.198
- {BLOCKED}5.217.174
- {BLOCKED}4.219.205
- {BLOCKED}51.2
- {BLOCKED}151.127
- {BLOCKED}9.102.75
- {BLOCKED}.73.66
- {BLOCKED}.208.203
- {BLOCKED}254.142
- {BLOCKED}4.208.125
- {BLOCKED}9.128.189
- {BLOCKED}.139.120
- {BLOCKED}.181
- {BLOCKED}4.95.44
- {BLOCKED}8.37.139
- {BLOCKED}7.158.26
- {BLOCKED}2.38.229
- {BLOCKED}200.215
- {BLOCKED}178.85
- {BLOCKED}6.175.18
- {BLOCKED}.6.164
- {BLOCKED}33.85
- {BLOCKED}.173.183
- {BLOCKED}.189.86
- {BLOCKED}.150.48
- {BLOCKED}.19.150
- {BLOCKED}1.146.225
- {BLOCKED}145.190
- {BLOCKED}0.183.41
- {BLOCKED}7.192.67
- {BLOCKED}2.8.96
- {BLOCKED}9.92.77
- {BLOCKED}4.133.70
- {BLOCKED}.186.18
- {BLOCKED}2.96.19
- {BLOCKED}.35.79
- {BLOCKED}2.115.163
- {BLOCKED}3.63.15
- {BLOCKED}2.208.149
- {BLOCKED}5.58
- {BLOCKED}.113.90
- {BLOCKED}214.223
- {BLOCKED}.237.40
- {BLOCKED}.99.86
- {BLOCKED}.107.164
- {BLOCKED}.3.163
- {BLOCKED}9.230.91
- {BLOCKED}48.69
- {BLOCKED}.166.39
- {BLOCKED}139.119
- {BLOCKED}2.16.80
- {BLOCKED}.171.1
- {BLOCKED}.159.137
- {BLOCKED}2.206.58
- {BLOCKED}.11.76
- {BLOCKED}.60.143
- {BLOCKED}180.82
- {BLOCKED}2.100.97
- {BLOCKED}2.177.42
- {BLOCKED}1.101
- {BLOCKED}.107.85
- {BLOCKED}.143.175
- {BLOCKED}.106.51
- {BLOCKED}1.215.211
- {BLOCKED}188.167
- {BLOCKED}70.143
- {BLOCKED}4.58.126
- {BLOCKED}111.142
- {BLOCKED}5.183.240
- {BLOCKED}.50.238
- {BLOCKED}220.254
- {BLOCKED}.83.11
- {BLOCKED}0.62.176
- {BLOCKED}.227.164
- {BLOCKED}9.183
- {BLOCKED}.162.73
- {BLOCKED}.128.200
- {BLOCKED}9.66.126
- {BLOCKED}.229.222
- {BLOCKED}9.240.34
- {BLOCKED}.174.48
- {BLOCKED}4.104.109
- {BLOCKED}.118.76
- {BLOCKED}6.36.32
- {BLOCKED}8.126.23
- {BLOCKED}255.134
- {BLOCKED}1.38.195
- {BLOCKED}.200.114
- {BLOCKED}.222.71
- {BLOCKED}5.107.241
- {BLOCKED}6.255.188
- {BLOCKED}3.125.26
- {BLOCKED}.2.176
- {BLOCKED}.125.179
- {BLOCKED}.17.231
- {BLOCKED}46.254
- {BLOCKED}.224.9
- {BLOCKED}8.45.148
- {BLOCKED}4.111.113
- {BLOCKED}0.60.126
- {BLOCKED}.114.168
- {BLOCKED}.126.161
- {BLOCKED}183.145
- {BLOCKED}7.208.86
- {BLOCKED}.81.210
- {BLOCKED}.26.49
- {BLOCKED}3.242.171
- {BLOCKED}120.207
- {BLOCKED}3.201.150
- {BLOCKED}0.51.143
- {BLOCKED}.89.85
- {BLOCKED}.229.229
- {BLOCKED}239.103
- {BLOCKED}.58.5
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- {BLOCKED}.180.126
- {BLOCKED}6.123.146
- {BLOCKED}88.128
- {BLOCKED}.57.185
- {BLOCKED}.4.158
- {BLOCKED}7.205.135
- {BLOCKED}8.210.8
- {BLOCKED}9.118.84
- {BLOCKED}.161.86
- {BLOCKED}.40.92
- {BLOCKED}2.187.225
- {BLOCKED}21.171
- {BLOCKED}.33.62
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- {BLOCKED}.178.60
- {BLOCKED}.5.77
- {BLOCKED}67.164
- {BLOCKED}1.159.60
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- {BLOCKED}.153.13
- {BLOCKED}3.231.45
- {BLOCKED}5.81.228
- {BLOCKED}4.140.60
- {BLOCKED}.29.241
- {BLOCKED}22.38
- {BLOCKED}7.5.123
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- {BLOCKED}.254.158
- {BLOCKED}9.192.108
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- {BLOCKED}0.38.23
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- {BLOCKED}5.190.244
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It deletes itself after execution.
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
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\Microsoft\Internet Explorer\Main
- FeatureControl
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl
- FEATURE_BROWSER_EMULATION
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
- FEATURE_BROWSER_EMULATION
- In HKEY_CURRENT_USER\Software
- qanz
- In HKEY_LOCAL_MACHINE\SOFTWARE
- qanz
- In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
- OSUpgrade
- In HKEY_LOCAL_MACHINE\SOFTWARE
- 07543E9F5A4AB24AD
- In HKEY_LOCAL_MACHINE\SOFTWARE
- 51BCA27834D9C19002
Step 3
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_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
- regsvr32.exe = "22b8"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
- iexplore.exe = "22b8"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
- regsvr32.exe = "22b8"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
- iexplore.exe = "22b8"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
- DisableOSUpgrade = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\OSUpgrade
- ReservationsAllowed = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\qanz
- ltpxeirzlt = "eGwRgMVrVTpfkg=="
- In HKEY_CURRENT_USER\Software\qanz
- ltpxeirzlt = "dzkQj5FpAmNYfg=="
- In HKEY_LOCAL_MACHINE\SOFTWARE\qanz
- bjtkim = "Ij4Rip5tWVT/Q5zGeCMzjj34Q66gMkg="
- In HKEY_CURRENT_USER\Software\qanz
- bjtkim = "cj9G2cU+Agk1RN96GD+DyyuXP3QbNII="
- In HKEY_LOCAL_MACHINE\SOFTWARE\qanz
- eljz = "IjlM2pA6VyOj4YdV3nQczbg="
- In HKEY_CURRENT_USER\Software\qanz
- eljz = "JT4Q3p4wA0KD3QGEEAYGiDk="
- In HKEY_LOCAL_MACHINE\SOFTWARE\qanz
- zojewbdazo = "{random characters}"
- In HKEY_CURRENT_USER\Software\qanz
- zojewbdazo = "{random characters}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\qanz
- kqdg = "{random characters}"
- In HKEY_CURRENT_USER\Software\qanz
- kqdg = "{random characters}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\07543E9F5A4AB24AD
- C6141C5FB2E5F986E1 = "C6141C5FB2E5F986E1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\51BCA27834D9C19002
- 8EE73417A9011CA9E7 = "8EE73417A9011CA9E7"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup
- LogLevel = "2"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup
- LogLevel = "0"
Step 4
Restore these modified registry values
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\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- From: 1206 = "0"
To: 1206 = ""3""
- From: 1206 = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- From: 2300 = "0"
To: 2300 = ""1""
- From: 2300 = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- 1809 = "3"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- 1206 = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- From: 2300 = "0"
To: 2300 = ""1""
- From: 2300 = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- From: 1809 = "3"
To: 1809 = ""3""
- From: 1809 = "3"
Step 5
Search and delete these components
- %Application Data%\lefoqy\lefoqy.exe
- %User Temp%\WindowsXP-KB968930-x86-ENG.exe
- %System Root%\99b61ec816710b13ac24\eventforwarding.adm
- %System Root%\99b61ec816710b13ac24\windowsremotemanagement.adm
- %System Root%\99b61ec816710b13ac24\windowsremoteshell.adm
- %System Root%\99b61ec816710b13ac24\windowspowershellhelp.chm
- %System Root%\99b61ec816710b13ac24\winrm.cmd
- %System Root%\99b61ec816710b13ac24\compiledcomposition.microsoft.powershell.gpowershell.dll
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.dll
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.interop.dll
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.diagnostics.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.diagnostics.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.management.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.management.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.utility.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.utility.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.consolehost.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.consolehost.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.editor.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.editor.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.gpowershell.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.gpowershell.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.graphicalhost.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.graphicalhost.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.security.dll
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.security.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.management.dll
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.management.resources.dll
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.runtime.dll
- %System Root%\99b61ec816710b13ac24\powershell_ise.resources.dll
- %System Root%\99b61ec816710b13ac24\pspluginwkr.dll
- %System Root%\99b61ec816710b13ac24\pwrshmsg.dll
- %System Root%\99b61ec816710b13ac24\pwrshplugin.dll
- %System Root%\99b61ec816710b13ac24\pwrshsip.dll
- %System Root%\99b61ec816710b13ac24\spmsg.dll
- %System Root%\99b61ec816710b13ac24\system.management.automation.dll
- %System Root%\99b61ec816710b13ac24\system.management.automation.resources.dll
- %System Root%\99b61ec816710b13ac24\wevtfwd.dll
- %System Root%\99b61ec816710b13ac24\winrmprov.dll
- %System Root%\99b61ec816710b13ac24\winrscmd.dll
- %System Root%\99b61ec816710b13ac24\winrsmgr.dll
- %System Root%\99b61ec816710b13ac24\winrssrv.dll
- %System Root%\99b61ec816710b13ac24\wsmauto.dll
- %System Root%\99b61ec816710b13ac24\wsmplpxy.dll
- %System Root%\99b61ec816710b13ac24\wsmres.dll
- %System Root%\99b61ec816710b13ac24\wsmsvc.dll
- %System Root%\99b61ec816710b13ac24\wsmwmipl.dll
- %System Root%\99b61ec816710b13ac24\powershell.exe
- %System Root%\99b61ec816710b13ac24\powershell_ise.exe
- %System Root%\99b61ec816710b13ac24\pscustomsetuputil.exe
- %System Root%\99b61ec816710b13ac24\pssetupnativeutils.exe
- %System Root%\99b61ec816710b13ac24\spuninst.exe
- %System Root%\99b61ec816710b13ac24\spupdsvc.exe
- %System Root%\99b61ec816710b13ac24\winrs.exe
- %System Root%\99b61ec816710b13ac24\winrshost.exe
- %System Root%\99b61ec816710b13ac24\wsmanhttpconfig.exe
- %System Root%\99b61ec816710b13ac24\wsmprovhost.exe
- %System Root%\99b61ec816710b13ac24\wtrinstaller.ico
- %System Root%\99b61ec816710b13ac24\winrm.ini
- %System Root%\99b61ec816710b13ac24\winrmprov.mof
- %System Root%\99b61ec816710b13ac24\wsmauto.mof
- %System Root%\99b61ec816710b13ac24\powershell.exe.mui
- %System Root%\99b61ec816710b13ac24\profile.ps1
- %System Root%\99b61ec816710b13ac24\bitstransfer.format.ps1xml
- %System Root%\99b61ec816710b13ac24\certificate.format.ps1xml
- %System Root%\99b61ec816710b13ac24\diagnostics.format.ps1xml
- %System Root%\99b61ec816710b13ac24\dotnettypes.format.ps1xml
- %System Root%\99b61ec816710b13ac24\filesystem.format.ps1xml
- %System Root%\99b61ec816710b13ac24\getevent.types.ps1xml
- %System Root%\99b61ec816710b13ac24\help.format.ps1xml
- %System Root%\99b61ec816710b13ac24\powershellcore.format.ps1xml
- %System Root%\99b61ec816710b13ac24\powershelltrace.format.ps1xml
- %System Root%\99b61ec816710b13ac24\registry.format.ps1xml
- %System Root%\99b61ec816710b13ac24\types.ps1xml
- %System Root%\99b61ec816710b13ac24\wsman.format.ps1xml
- %System Root%\99b61ec816710b13ac24\bitstransfer.psd1
- %System Root%\99b61ec816710b13ac24\importallmodules.psd1
- %System Root%\99b61ec816710b13ac24\about_aliases.help.txt
- %System Root%\99b61ec816710b13ac24\about_arithmetic_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_arrays.help.txt
- %System Root%\99b61ec816710b13ac24\about_assignment_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_automatic_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_bits_cmdlets.help.txt
- %System Root%\99b61ec816710b13ac24\about_break.help.txt
- %System Root%\99b61ec816710b13ac24\about_command_precedence.help.txt
- %System Root%\99b61ec816710b13ac24\about_command_syntax.help.txt
- %System Root%\99b61ec816710b13ac24\about_comment_based_help.help.txt
- %System Root%\99b61ec816710b13ac24\about_commonparameters.help.txt
- %System Root%\99b61ec816710b13ac24\about_comparison_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_continue.help.txt
- %System Root%\99b61ec816710b13ac24\about_core_commands.help.txt
- %System Root%\99b61ec816710b13ac24\about_data_sections.help.txt
- %System Root%\99b61ec816710b13ac24\about_debuggers.help.txt
- %System Root%\99b61ec816710b13ac24\about_do.help.txt
- %System Root%\99b61ec816710b13ac24\about_environment_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_escape_characters.help.txt
- %System Root%\99b61ec816710b13ac24\about_eventlogs.help.txt
- %System Root%\99b61ec816710b13ac24\about_execution_policies.help.txt
- %System Root%\99b61ec816710b13ac24\about_for.help.txt
- %System Root%\99b61ec816710b13ac24\about_foreach.help.txt
- %System Root%\99b61ec816710b13ac24\about_format.ps1xml.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_advanced.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_advanced_methods.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_advanced_parameters.help.txt
- %System Root%\99b61ec816710b13ac24\about_functions_cmdletbindingattribute.help.txt
- %System Root%\99b61ec816710b13ac24\about_hash_tables.help.txt
- %System Root%\99b61ec816710b13ac24\about_history.help.txt
- %System Root%\99b61ec816710b13ac24\about_if.help.txt
- %System Root%\99b61ec816710b13ac24\about_job_details.help.txt
- %System Root%\99b61ec816710b13ac24\about_jobs.help.txt
- %System Root%\99b61ec816710b13ac24\about_join.help.txt
- %System Root%\99b61ec816710b13ac24\about_language_keywords.help.txt
- %System Root%\99b61ec816710b13ac24\about_line_editing.help.txt
- %System Root%\99b61ec816710b13ac24\about_locations.help.txt
- %System Root%\99b61ec816710b13ac24\about_logical_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_methods.help.txt
- %System Root%\99b61ec816710b13ac24\about_modules.help.txt
- %System Root%\99b61ec816710b13ac24\about_objects.help.txt
- %System Root%\99b61ec816710b13ac24\about_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_parameters.help.txt
- %System Root%\99b61ec816710b13ac24\about_parsing.help.txt
- %System Root%\99b61ec816710b13ac24\about_path_syntax.help.txt
- %System Root%\99b61ec816710b13ac24\about_pipelines.help.txt
- %System Root%\99b61ec816710b13ac24\about_preference_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_profiles.help.txt
- %System Root%\99b61ec816710b13ac24\about_prompts.help.txt
- %System Root%\99b61ec816710b13ac24\about_properties.help.txt
- %System Root%\99b61ec816710b13ac24\about_providers.help.txt
- %System Root%\99b61ec816710b13ac24\about_pssession_details.help.txt
- %System Root%\99b61ec816710b13ac24\about_pssessions.help.txt
- %System Root%\99b61ec816710b13ac24\about_pssnapins.help.txt
- %System Root%\99b61ec816710b13ac24\about_quoting_rules.help.txt
- %System Root%\99b61ec816710b13ac24\about_redirection.help.txt
- %System Root%\99b61ec816710b13ac24\about_ref.help.txt
- %System Root%\99b61ec816710b13ac24\about_regular_expressions.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_faq.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_jobs.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_output.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_requirements.help.txt
- %System Root%\99b61ec816710b13ac24\about_remote_troubleshooting.help.txt
- %System Root%\99b61ec816710b13ac24\about_requires.help.txt
- %System Root%\99b61ec816710b13ac24\about_reserved_words.help.txt
- %System Root%\99b61ec816710b13ac24\about_return.help.txt
- %System Root%\99b61ec816710b13ac24\about_scopes.help.txt
- %System Root%\99b61ec816710b13ac24\about_script_blocks.help.txt
- %System Root%\99b61ec816710b13ac24\about_script_internationalization.help.txt
- %System Root%\99b61ec816710b13ac24\about_scripts.help.txt
- %System Root%\99b61ec816710b13ac24\about_session_configurations.help.txt
- %System Root%\99b61ec816710b13ac24\about_signing.help.txt
- %System Root%\99b61ec816710b13ac24\about_special_characters.help.txt
- %System Root%\99b61ec816710b13ac24\about_split.help.txt
- %System Root%\99b61ec816710b13ac24\about_switch.help.txt
- %System Root%\99b61ec816710b13ac24\about_throw.help.txt
- %System Root%\99b61ec816710b13ac24\about_transactions.help.txt
- %System Root%\99b61ec816710b13ac24\about_trap.help.txt
- %System Root%\99b61ec816710b13ac24\about_try_catch_finally.help.txt
- %System Root%\99b61ec816710b13ac24\about_type_operators.help.txt
- %System Root%\99b61ec816710b13ac24\about_types.ps1xml.help.txt
- %System Root%\99b61ec816710b13ac24\about_variables.help.txt
- %System Root%\99b61ec816710b13ac24\about_while.help.txt
- %System Root%\99b61ec816710b13ac24\about_wildcards.help.txt
- %System Root%\99b61ec816710b13ac24\about_windows_powershell_2.0.help.txt
- %System Root%\99b61ec816710b13ac24\about_windows_powershell_ise.help.txt
- %System Root%\99b61ec816710b13ac24\about_wmi_cmdlets.help.txt
- %System Root%\99b61ec816710b13ac24\about_ws-management_cmdlets.help.txt
- %System Root%\99b61ec816710b13ac24\default.help.txt
- %System Root%\99b61ec816710b13ac24\winrm.vbs
- %System Root%\99b61ec816710b13ac24\microsoft.backgroundintelligenttransfer.management.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.diagnostics.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.management.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.commands.utility.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.consolehost.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.powershell.security.dll-help.xml
- %System Root%\99b61ec816710b13ac24\microsoft.wsman.management.dll-help.xml
- %System Root%\99b61ec816710b13ac24\system.management.automation.dll-help.xml
- %System Root%\99b61ec816710b13ac24\wsmpty.xsl
- %System Root%\99b61ec816710b13ac24\wsmtxt.xsl
- %System Root%\99b61ec816710b13ac24\update\kb968930xp.cat
- %System Root%\99b61ec816710b13ac24\update\spcustom.dll
- %System Root%\99b61ec816710b13ac24\update\updspapi.dll
- %System Root%\99b61ec816710b13ac24\update\update.exe
- %System Root%\99b61ec816710b13ac24\update\update.inf
- %System Root%\99b61ec816710b13ac24\update\eula.txt
- %System Root%\99b61ec816710b13ac24\update\update.ver
- %System Root%\99b61ec816710b13ac24\$shtdwn$.req
Step 6
Search and delete these folders
- %Application Data%\lefoqy
- %System Root%\_110484_
- %System Root%\99b61ec816710b13ac24
- %System Root%\99b61ec816710b13ac24\update
Step 7
Scan your computer with your Trend Micro product to delete files detected as TSPY_KOVTER.XXJ. 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 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_LOCAL_MACHINE
- SOFTWARE
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