TROJ_KOVTER.THT
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan 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
404,519 bytes
EXE
No
05 Sep 2015
Arrival Details
This Trojan 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 Trojan creates the following folders:
- %Application Data%\urito
- %System Root%\_170687_
- %System Root%\08f61860c51ebc8a32
- %System Root%\08f61860c51ebc8a32\update
- %System Root%\_227250_
- %System Root%\51f631c1b234dd9f2d3e
(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 Trojan 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\51e5db588f
HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
HKEY_LOCAL_MACHINE\SOFTWARE\F06D77D3700D6CD8
HKEY_LOCAL_MACHINE\SOFTWARE\5AC52C34A32542074B8
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\51e5db588f
36fb3192 = "{random characters}"
HKEY_CURRENT_USER\Software\51e5db588f
36fb3192 = "{random characters}"
HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
86bd5df9 = "869"
HKEY_CURRENT_USER\Software\51e5db588f
86bd5df9 = "869"
HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
fc7e257e = "F08A6FB8A91D839D"
HKEY_CURRENT_USER\Software\51e5db588f
fc7e257e = "F08A6FB8A91D839D"
HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
93c89353 = "1440515061"
HKEY_CURRENT_USER\Software\51e5db588f
93c89353 = "1440515061"
HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
f0fc8a30 = "%Application Data%\urito\urito.exe"
HKEY_CURRENT_USER\Software\51e5db588f
f0fc8a30 = "%Application Data%\urito\urito.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\F06D77D3700D6CD8
03D14A9E1D56F39595DC = "03D14A9E1D56F39595DC"
HKEY_LOCAL_MACHINE\SOFTWARE\5AC52C34A32542074B8
206BD339102F881B232 = "206BD339102F881B232"
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 Trojan drops the following files:
- %Application Data%\urito\urito.exe
- %User Temp%\WindowsXP-KB968930-x86-ENG.exe
- %System Root%\08f61860c51ebc8a32\eventforwarding.adm
- %System Root%\08f61860c51ebc8a32\windowsremotemanagement.adm
- %System Root%\08f61860c51ebc8a32\windowsremoteshell.adm
- %System Root%\08f61860c51ebc8a32\windowspowershellhelp.chm
- %System Root%\08f61860c51ebc8a32\winrm.cmd
- %System Root%\08f61860c51ebc8a32\compiledcomposition.microsoft.powershell.gpowershell.dll
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.dll
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.interop.dll
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.diagnostics.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.diagnostics.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.management.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.management.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.utility.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.utility.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.consolehost.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.consolehost.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.editor.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.editor.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.gpowershell.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.gpowershell.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.graphicalhost.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.graphicalhost.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.security.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.security.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.management.dll
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.management.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.runtime.dll
- %System Root%\08f61860c51ebc8a32\powershell_ise.resources.dll
- %System Root%\08f61860c51ebc8a32\pspluginwkr.dll
- %System Root%\08f61860c51ebc8a32\pwrshmsg.dll
- %System Root%\08f61860c51ebc8a32\pwrshplugin.dll
- %System Root%\08f61860c51ebc8a32\pwrshsip.dll
- %System Root%\08f61860c51ebc8a32\spmsg.dll
- %System Root%\08f61860c51ebc8a32\system.management.automation.dll
- %System Root%\08f61860c51ebc8a32\system.management.automation.resources.dll
- %System Root%\08f61860c51ebc8a32\wevtfwd.dll
- %System Root%\08f61860c51ebc8a32\winrmprov.dll
- %System Root%\08f61860c51ebc8a32\winrscmd.dll
- %System Root%\08f61860c51ebc8a32\winrsmgr.dll
- %System Root%\08f61860c51ebc8a32\winrssrv.dll
- %System Root%\08f61860c51ebc8a32\wsmauto.dll
- %System Root%\08f61860c51ebc8a32\wsmplpxy.dll
- %System Root%\08f61860c51ebc8a32\wsmres.dll
- %System Root%\08f61860c51ebc8a32\wsmsvc.dll
- %System Root%\08f61860c51ebc8a32\wsmwmipl.dll
- %System Root%\08f61860c51ebc8a32\powershell.exe
- %System Root%\08f61860c51ebc8a32\powershell_ise.exe
- %System Root%\08f61860c51ebc8a32\pscustomsetuputil.exe
- %System Root%\08f61860c51ebc8a32\pssetupnativeutils.exe
- %System Root%\08f61860c51ebc8a32\spuninst.exe
- %System Root%\08f61860c51ebc8a32\spupdsvc.exe
- %System Root%\08f61860c51ebc8a32\winrs.exe
- %System Root%\08f61860c51ebc8a32\winrshost.exe
- %System Root%\08f61860c51ebc8a32\wsmanhttpconfig.exe
- %System Root%\08f61860c51ebc8a32\wsmprovhost.exe
- %System Root%\08f61860c51ebc8a32\wtrinstaller.ico
- %System Root%\08f61860c51ebc8a32\winrm.ini
- %System Root%\08f61860c51ebc8a32\winrmprov.mof
- %System Root%\08f61860c51ebc8a32\wsmauto.mof
- %System Root%\08f61860c51ebc8a32\powershell.exe.mui
- %System Root%\08f61860c51ebc8a32\profile.ps1
- %System Root%\08f61860c51ebc8a32\bitstransfer.format.ps1xml
- %System Root%\08f61860c51ebc8a32\certificate.format.ps1xml
- %System Root%\08f61860c51ebc8a32\diagnostics.format.ps1xml
- %System Root%\08f61860c51ebc8a32\dotnettypes.format.ps1xml
- %System Root%\08f61860c51ebc8a32\filesystem.format.ps1xml
- %System Root%\08f61860c51ebc8a32\getevent.types.ps1xml
- %System Root%\08f61860c51ebc8a32\help.format.ps1xml
- %System Root%\08f61860c51ebc8a32\powershellcore.format.ps1xml
- %System Root%\08f61860c51ebc8a32\powershelltrace.format.ps1xml
- %System Root%\08f61860c51ebc8a32\registry.format.ps1xml
- %System Root%\08f61860c51ebc8a32\types.ps1xml
- %System Root%\08f61860c51ebc8a32\wsman.format.ps1xml
- %System Root%\08f61860c51ebc8a32\bitstransfer.psd1
- %System Root%\08f61860c51ebc8a32\importallmodules.psd1
- %System Root%\08f61860c51ebc8a32\about_aliases.help.txt
- %System Root%\08f61860c51ebc8a32\about_arithmetic_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_arrays.help.txt
- %System Root%\08f61860c51ebc8a32\about_assignment_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_automatic_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_bits_cmdlets.help.txt
- %System Root%\08f61860c51ebc8a32\about_break.help.txt
- %System Root%\08f61860c51ebc8a32\about_command_precedence.help.txt
- %System Root%\08f61860c51ebc8a32\about_command_syntax.help.txt
- %System Root%\08f61860c51ebc8a32\about_comment_based_help.help.txt
- %System Root%\08f61860c51ebc8a32\about_commonparameters.help.txt
- %System Root%\08f61860c51ebc8a32\about_comparison_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_continue.help.txt
- %System Root%\08f61860c51ebc8a32\about_core_commands.help.txt
- %System Root%\08f61860c51ebc8a32\about_data_sections.help.txt
- %System Root%\08f61860c51ebc8a32\about_debuggers.help.txt
- %System Root%\08f61860c51ebc8a32\about_do.help.txt
- %System Root%\08f61860c51ebc8a32\about_environment_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_escape_characters.help.txt
- %System Root%\08f61860c51ebc8a32\about_eventlogs.help.txt
- %System Root%\08f61860c51ebc8a32\about_execution_policies.help.txt
- %System Root%\08f61860c51ebc8a32\about_for.help.txt
- %System Root%\08f61860c51ebc8a32\about_foreach.help.txt
- %System Root%\08f61860c51ebc8a32\about_format.ps1xml.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_advanced.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_advanced_methods.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_advanced_parameters.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_cmdletbindingattribute.help.txt
- %System Root%\08f61860c51ebc8a32\about_hash_tables.help.txt
- %System Root%\08f61860c51ebc8a32\about_history.help.txt
- %System Root%\08f61860c51ebc8a32\about_if.help.txt
- %System Root%\08f61860c51ebc8a32\about_job_details.help.txt
- %System Root%\08f61860c51ebc8a32\about_jobs.help.txt
- %System Root%\08f61860c51ebc8a32\about_join.help.txt
- %System Root%\08f61860c51ebc8a32\about_language_keywords.help.txt
- %System Root%\08f61860c51ebc8a32\about_line_editing.help.txt
- %System Root%\08f61860c51ebc8a32\about_locations.help.txt
- %System Root%\08f61860c51ebc8a32\about_logical_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_methods.help.txt
- %System Root%\08f61860c51ebc8a32\about_modules.help.txt
- %System Root%\08f61860c51ebc8a32\about_objects.help.txt
- %System Root%\08f61860c51ebc8a32\about_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_parameters.help.txt
- %System Root%\08f61860c51ebc8a32\about_parsing.help.txt
- %System Root%\08f61860c51ebc8a32\about_path_syntax.help.txt
- %System Root%\08f61860c51ebc8a32\about_pipelines.help.txt
- %System Root%\08f61860c51ebc8a32\about_preference_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_profiles.help.txt
- %System Root%\08f61860c51ebc8a32\about_prompts.help.txt
- %System Root%\08f61860c51ebc8a32\about_properties.help.txt
- %System Root%\08f61860c51ebc8a32\about_providers.help.txt
- %System Root%\08f61860c51ebc8a32\about_pssession_details.help.txt
- %System Root%\08f61860c51ebc8a32\about_pssessions.help.txt
- %System Root%\08f61860c51ebc8a32\about_pssnapins.help.txt
- %System Root%\08f61860c51ebc8a32\about_quoting_rules.help.txt
- %System Root%\08f61860c51ebc8a32\about_redirection.help.txt
- %System Root%\08f61860c51ebc8a32\about_ref.help.txt
- %System Root%\08f61860c51ebc8a32\about_regular_expressions.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_faq.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_jobs.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_output.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_requirements.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_troubleshooting.help.txt
- %System Root%\08f61860c51ebc8a32\about_requires.help.txt
- %System Root%\08f61860c51ebc8a32\about_reserved_words.help.txt
- %System Root%\08f61860c51ebc8a32\about_return.help.txt
- %System Root%\08f61860c51ebc8a32\about_scopes.help.txt
- %System Root%\08f61860c51ebc8a32\about_script_blocks.help.txt
- %System Root%\08f61860c51ebc8a32\about_script_internationalization.help.txt
- %System Root%\08f61860c51ebc8a32\about_scripts.help.txt
- %System Root%\08f61860c51ebc8a32\about_session_configurations.help.txt
- %System Root%\08f61860c51ebc8a32\about_signing.help.txt
- %System Root%\08f61860c51ebc8a32\about_special_characters.help.txt
- %System Root%\08f61860c51ebc8a32\about_split.help.txt
- %System Root%\08f61860c51ebc8a32\about_switch.help.txt
- %System Root%\08f61860c51ebc8a32\about_throw.help.txt
- %System Root%\08f61860c51ebc8a32\about_transactions.help.txt
- %System Root%\08f61860c51ebc8a32\about_trap.help.txt
- %System Root%\08f61860c51ebc8a32\about_try_catch_finally.help.txt
- %System Root%\08f61860c51ebc8a32\about_type_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_types.ps1xml.help.txt
- %System Root%\08f61860c51ebc8a32\about_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_while.help.txt
- %System Root%\08f61860c51ebc8a32\about_wildcards.help.txt
- %System Root%\08f61860c51ebc8a32\about_windows_powershell_2.0.help.txt
- %System Root%\08f61860c51ebc8a32\about_windows_powershell_ise.help.txt
- %System Root%\08f61860c51ebc8a32\about_wmi_cmdlets.help.txt
- %System Root%\08f61860c51ebc8a32\about_ws-management_cmdlets.help.txt
- %System Root%\08f61860c51ebc8a32\default.help.txt
- %System Root%\08f61860c51ebc8a32\winrm.vbs
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.diagnostics.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.management.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.utility.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.consolehost.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.security.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.management.dll-help.xml
- %System Root%\08f61860c51ebc8a32\system.management.automation.dll-help.xml
- %System Root%\08f61860c51ebc8a32\wsmpty.xsl
- %System Root%\08f61860c51ebc8a32\wsmtxt.xsl
- %System Root%\08f61860c51ebc8a32\update\kb968930xp.cat
- %System Root%\08f61860c51ebc8a32\update\spcustom.dll
- %System Root%\08f61860c51ebc8a32\update\updspapi.dll
- %System Root%\08f61860c51ebc8a32\update\update.exe
- %System Root%\08f61860c51ebc8a32\update\update.inf
- %System Root%\08f61860c51ebc8a32\update\eula.txt
- %System Root%\08f61860c51ebc8a32\update\update.ver
- %System Root%\08f61860c51ebc8a32\$shtdwn$.req
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}.67.5
- http://{BLOCKED}.67.5/{random path}
- {BLOCKED}.60.186
- {BLOCKED}91.82
- {BLOCKED}246.7
- {BLOCKED}0.185.46
- {BLOCKED}.143.77
- {BLOCKED}9.68.32
- {BLOCKED}7.167.129
- {BLOCKED}.234.228
- {BLOCKED}0.33.248
- {BLOCKED}.104.120
- {BLOCKED}1.163.195
- {BLOCKED}21.191
- {BLOCKED}6.123.71
- {BLOCKED}.253.21
- {BLOCKED}4.157.253
- {BLOCKED}3.214
- {BLOCKED}0.62.36
- {BLOCKED}5.78.160
- {BLOCKED}103.41
- {BLOCKED}12.97
- {BLOCKED}.84.162
- {BLOCKED}3.240.186
- {BLOCKED}5.7.134
- {BLOCKED}127.24
- {BLOCKED}2.109.187
- {BLOCKED}144.35
- {BLOCKED}4.252.72
- {BLOCKED}.151.143
- {BLOCKED}8.11.77
- {BLOCKED}.78.153
- {BLOCKED}.22.17
- {BLOCKED}.124.93
- {BLOCKED}9.93.83
- {BLOCKED}.36.225
- {BLOCKED}8.168.144
- {BLOCKED}0.27.251
- {BLOCKED}15.200
- {BLOCKED}7.253.225
- {BLOCKED}.25.246
- {BLOCKED}41.225
- {BLOCKED}.106.77
- {BLOCKED}5.80.7
- {BLOCKED}.2.237
- {BLOCKED}57.151
- {BLOCKED}5.62.100
- {BLOCKED}7.213.95
- {BLOCKED}.44.64
- {BLOCKED}.78.231
- {BLOCKED}43.187
- {BLOCKED}8.238.21
- {BLOCKED}.12.177
- {BLOCKED}.86.57
- {BLOCKED}5.213.21
- {BLOCKED}91.162
- {BLOCKED}237.249
- {BLOCKED}.228.154
- {BLOCKED}9.43.208
- {BLOCKED}.151.94
- {BLOCKED}.9.203
- {BLOCKED}.232.9
- {BLOCKED}19.87
- {BLOCKED}.38.168
- {BLOCKED}.51.48
- {BLOCKED}9.207.198
- {BLOCKED}164.216
- {BLOCKED}9.29.134
- {BLOCKED}0.151.4
- {BLOCKED}1.127.250
- {BLOCKED}0.192.223
- {BLOCKED}.10.77
- {BLOCKED}2.255.27
- {BLOCKED}6.123.109
- {BLOCKED}.140.20
- {BLOCKED}.16.211
- {BLOCKED}.237.217
- {BLOCKED}01.26
- {BLOCKED}7.84.204
- {BLOCKED}6.68.17
- {BLOCKED}.19.74
- {BLOCKED}8.119.104
- {BLOCKED}.26.71
- {BLOCKED}.10.197
- {BLOCKED}1.145.244
- {BLOCKED}.50.174
- {BLOCKED}8.174.204
- {BLOCKED}.127.18
- {BLOCKED}8.170.83
- {BLOCKED}42.228
- {BLOCKED}5.75.128
- {BLOCKED}16.158
- {BLOCKED}246.105
- {BLOCKED}.86.152
- {BLOCKED}1.247.238
- {BLOCKED}.175.103
- {BLOCKED}7.136.142
- {BLOCKED}135.67
- {BLOCKED}.131.29
- {BLOCKED}.232.219
- {BLOCKED}0.130.187
- {BLOCKED}6.207.140
- {BLOCKED}148.236
- {BLOCKED}.170.54
- {BLOCKED}.29.61
- {BLOCKED}30.237
- {BLOCKED}.115.146
- {BLOCKED}.126.3
- {BLOCKED}.4.108
- {BLOCKED}.110.96
- {BLOCKED}.163.67
- {BLOCKED}.183.152
- {BLOCKED}.230.129
- {BLOCKED}176.180
- {BLOCKED}6.3.224
- {BLOCKED}.23.43
- {BLOCKED}8.87.193
- {BLOCKED}3.234.81
- {BLOCKED}4.40.93
- {BLOCKED}.201.164
- {BLOCKED}3.169.85
- {BLOCKED}2.162.166
- {BLOCKED}.88.117
- {BLOCKED}.177.181
- {BLOCKED}.12.74
- {BLOCKED}.47.17
- {BLOCKED}180.72
- {BLOCKED}2.114.99
- {BLOCKED}.102.43
- {BLOCKED}12.242
- {BLOCKED}.4.222
- {BLOCKED}6.163.241
- {BLOCKED}44.48
- {BLOCKED}5.19.179
- {BLOCKED}6.153.133
- {BLOCKED}43.17
- {BLOCKED}8.90.58
- {BLOCKED}1.152.90
- {BLOCKED}.239.246
- {BLOCKED}.164.133
- {BLOCKED}.175.17
- {BLOCKED}.170.167
- {BLOCKED}4.53.128
- {BLOCKED}4.49.148
- {BLOCKED}2.36.81
- {BLOCKED}5.135.31
- {BLOCKED}.140.233
- {BLOCKED}32.170
- {BLOCKED}.234.90
- {BLOCKED}227.88
- {BLOCKED}2.124.117
- {BLOCKED}.3.72
- {BLOCKED}.154.167
- {BLOCKED}1.148.149
- {BLOCKED}.194.25
- {BLOCKED}.95.169
- {BLOCKED}.175.58
- {BLOCKED}.210.210
- {BLOCKED}.205.142
- {BLOCKED}22.130
It deletes itself after execution.
This report is generated via an automated analysis system.
SOLUTION
9.750
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
- 51e5db588f
- In HKEY_LOCAL_MACHINE\SOFTWARE
- 51e5db588f
- In HKEY_LOCAL_MACHINE\SOFTWARE
- F06D77D3700D6CD8
- In HKEY_LOCAL_MACHINE\SOFTWARE
- 5AC52C34A32542074B8
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\51e5db588f
- 36fb3192 = "{random characters}"
- In HKEY_CURRENT_USER\Software\51e5db588f
- 36fb3192 = "{random characters}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
- 86bd5df9 = "869"
- In HKEY_CURRENT_USER\Software\51e5db588f
- 86bd5df9 = "869"
- In HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
- fc7e257e = "F08A6FB8A91D839D"
- In HKEY_CURRENT_USER\Software\51e5db588f
- fc7e257e = "F08A6FB8A91D839D"
- In HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
- 93c89353 = "1440515061"
- In HKEY_CURRENT_USER\Software\51e5db588f
- 93c89353 = "1440515061"
- In HKEY_LOCAL_MACHINE\SOFTWARE\51e5db588f
- f0fc8a30 = "%Application Data%\urito\urito.exe"
- In HKEY_CURRENT_USER\Software\51e5db588f
- f0fc8a30 = "%Application Data%\urito\urito.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\F06D77D3700D6CD8
- 03D14A9E1D56F39595DC = "03D14A9E1D56F39595DC"
- In HKEY_LOCAL_MACHINE\SOFTWARE\5AC52C34A32542074B8
- 206BD339102F881B232 = "206BD339102F881B232"
- 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%\urito\urito.exe
- %User Temp%\WindowsXP-KB968930-x86-ENG.exe
- %System Root%\08f61860c51ebc8a32\eventforwarding.adm
- %System Root%\08f61860c51ebc8a32\windowsremotemanagement.adm
- %System Root%\08f61860c51ebc8a32\windowsremoteshell.adm
- %System Root%\08f61860c51ebc8a32\windowspowershellhelp.chm
- %System Root%\08f61860c51ebc8a32\winrm.cmd
- %System Root%\08f61860c51ebc8a32\compiledcomposition.microsoft.powershell.gpowershell.dll
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.dll
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.interop.dll
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.diagnostics.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.diagnostics.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.management.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.management.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.utility.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.utility.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.consolehost.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.consolehost.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.editor.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.editor.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.gpowershell.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.gpowershell.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.graphicalhost.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.graphicalhost.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.security.dll
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.security.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.management.dll
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.management.resources.dll
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.runtime.dll
- %System Root%\08f61860c51ebc8a32\powershell_ise.resources.dll
- %System Root%\08f61860c51ebc8a32\pspluginwkr.dll
- %System Root%\08f61860c51ebc8a32\pwrshmsg.dll
- %System Root%\08f61860c51ebc8a32\pwrshplugin.dll
- %System Root%\08f61860c51ebc8a32\pwrshsip.dll
- %System Root%\08f61860c51ebc8a32\spmsg.dll
- %System Root%\08f61860c51ebc8a32\system.management.automation.dll
- %System Root%\08f61860c51ebc8a32\system.management.automation.resources.dll
- %System Root%\08f61860c51ebc8a32\wevtfwd.dll
- %System Root%\08f61860c51ebc8a32\winrmprov.dll
- %System Root%\08f61860c51ebc8a32\winrscmd.dll
- %System Root%\08f61860c51ebc8a32\winrsmgr.dll
- %System Root%\08f61860c51ebc8a32\winrssrv.dll
- %System Root%\08f61860c51ebc8a32\wsmauto.dll
- %System Root%\08f61860c51ebc8a32\wsmplpxy.dll
- %System Root%\08f61860c51ebc8a32\wsmres.dll
- %System Root%\08f61860c51ebc8a32\wsmsvc.dll
- %System Root%\08f61860c51ebc8a32\wsmwmipl.dll
- %System Root%\08f61860c51ebc8a32\powershell.exe
- %System Root%\08f61860c51ebc8a32\powershell_ise.exe
- %System Root%\08f61860c51ebc8a32\pscustomsetuputil.exe
- %System Root%\08f61860c51ebc8a32\pssetupnativeutils.exe
- %System Root%\08f61860c51ebc8a32\spuninst.exe
- %System Root%\08f61860c51ebc8a32\spupdsvc.exe
- %System Root%\08f61860c51ebc8a32\winrs.exe
- %System Root%\08f61860c51ebc8a32\winrshost.exe
- %System Root%\08f61860c51ebc8a32\wsmanhttpconfig.exe
- %System Root%\08f61860c51ebc8a32\wsmprovhost.exe
- %System Root%\08f61860c51ebc8a32\wtrinstaller.ico
- %System Root%\08f61860c51ebc8a32\winrm.ini
- %System Root%\08f61860c51ebc8a32\winrmprov.mof
- %System Root%\08f61860c51ebc8a32\wsmauto.mof
- %System Root%\08f61860c51ebc8a32\powershell.exe.mui
- %System Root%\08f61860c51ebc8a32\profile.ps1
- %System Root%\08f61860c51ebc8a32\bitstransfer.format.ps1xml
- %System Root%\08f61860c51ebc8a32\certificate.format.ps1xml
- %System Root%\08f61860c51ebc8a32\diagnostics.format.ps1xml
- %System Root%\08f61860c51ebc8a32\dotnettypes.format.ps1xml
- %System Root%\08f61860c51ebc8a32\filesystem.format.ps1xml
- %System Root%\08f61860c51ebc8a32\getevent.types.ps1xml
- %System Root%\08f61860c51ebc8a32\help.format.ps1xml
- %System Root%\08f61860c51ebc8a32\powershellcore.format.ps1xml
- %System Root%\08f61860c51ebc8a32\powershelltrace.format.ps1xml
- %System Root%\08f61860c51ebc8a32\registry.format.ps1xml
- %System Root%\08f61860c51ebc8a32\types.ps1xml
- %System Root%\08f61860c51ebc8a32\wsman.format.ps1xml
- %System Root%\08f61860c51ebc8a32\bitstransfer.psd1
- %System Root%\08f61860c51ebc8a32\importallmodules.psd1
- %System Root%\08f61860c51ebc8a32\about_aliases.help.txt
- %System Root%\08f61860c51ebc8a32\about_arithmetic_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_arrays.help.txt
- %System Root%\08f61860c51ebc8a32\about_assignment_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_automatic_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_bits_cmdlets.help.txt
- %System Root%\08f61860c51ebc8a32\about_break.help.txt
- %System Root%\08f61860c51ebc8a32\about_command_precedence.help.txt
- %System Root%\08f61860c51ebc8a32\about_command_syntax.help.txt
- %System Root%\08f61860c51ebc8a32\about_comment_based_help.help.txt
- %System Root%\08f61860c51ebc8a32\about_commonparameters.help.txt
- %System Root%\08f61860c51ebc8a32\about_comparison_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_continue.help.txt
- %System Root%\08f61860c51ebc8a32\about_core_commands.help.txt
- %System Root%\08f61860c51ebc8a32\about_data_sections.help.txt
- %System Root%\08f61860c51ebc8a32\about_debuggers.help.txt
- %System Root%\08f61860c51ebc8a32\about_do.help.txt
- %System Root%\08f61860c51ebc8a32\about_environment_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_escape_characters.help.txt
- %System Root%\08f61860c51ebc8a32\about_eventlogs.help.txt
- %System Root%\08f61860c51ebc8a32\about_execution_policies.help.txt
- %System Root%\08f61860c51ebc8a32\about_for.help.txt
- %System Root%\08f61860c51ebc8a32\about_foreach.help.txt
- %System Root%\08f61860c51ebc8a32\about_format.ps1xml.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_advanced.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_advanced_methods.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_advanced_parameters.help.txt
- %System Root%\08f61860c51ebc8a32\about_functions_cmdletbindingattribute.help.txt
- %System Root%\08f61860c51ebc8a32\about_hash_tables.help.txt
- %System Root%\08f61860c51ebc8a32\about_history.help.txt
- %System Root%\08f61860c51ebc8a32\about_if.help.txt
- %System Root%\08f61860c51ebc8a32\about_job_details.help.txt
- %System Root%\08f61860c51ebc8a32\about_jobs.help.txt
- %System Root%\08f61860c51ebc8a32\about_join.help.txt
- %System Root%\08f61860c51ebc8a32\about_language_keywords.help.txt
- %System Root%\08f61860c51ebc8a32\about_line_editing.help.txt
- %System Root%\08f61860c51ebc8a32\about_locations.help.txt
- %System Root%\08f61860c51ebc8a32\about_logical_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_methods.help.txt
- %System Root%\08f61860c51ebc8a32\about_modules.help.txt
- %System Root%\08f61860c51ebc8a32\about_objects.help.txt
- %System Root%\08f61860c51ebc8a32\about_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_parameters.help.txt
- %System Root%\08f61860c51ebc8a32\about_parsing.help.txt
- %System Root%\08f61860c51ebc8a32\about_path_syntax.help.txt
- %System Root%\08f61860c51ebc8a32\about_pipelines.help.txt
- %System Root%\08f61860c51ebc8a32\about_preference_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_profiles.help.txt
- %System Root%\08f61860c51ebc8a32\about_prompts.help.txt
- %System Root%\08f61860c51ebc8a32\about_properties.help.txt
- %System Root%\08f61860c51ebc8a32\about_providers.help.txt
- %System Root%\08f61860c51ebc8a32\about_pssession_details.help.txt
- %System Root%\08f61860c51ebc8a32\about_pssessions.help.txt
- %System Root%\08f61860c51ebc8a32\about_pssnapins.help.txt
- %System Root%\08f61860c51ebc8a32\about_quoting_rules.help.txt
- %System Root%\08f61860c51ebc8a32\about_redirection.help.txt
- %System Root%\08f61860c51ebc8a32\about_ref.help.txt
- %System Root%\08f61860c51ebc8a32\about_regular_expressions.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_faq.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_jobs.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_output.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_requirements.help.txt
- %System Root%\08f61860c51ebc8a32\about_remote_troubleshooting.help.txt
- %System Root%\08f61860c51ebc8a32\about_requires.help.txt
- %System Root%\08f61860c51ebc8a32\about_reserved_words.help.txt
- %System Root%\08f61860c51ebc8a32\about_return.help.txt
- %System Root%\08f61860c51ebc8a32\about_scopes.help.txt
- %System Root%\08f61860c51ebc8a32\about_script_blocks.help.txt
- %System Root%\08f61860c51ebc8a32\about_script_internationalization.help.txt
- %System Root%\08f61860c51ebc8a32\about_scripts.help.txt
- %System Root%\08f61860c51ebc8a32\about_session_configurations.help.txt
- %System Root%\08f61860c51ebc8a32\about_signing.help.txt
- %System Root%\08f61860c51ebc8a32\about_special_characters.help.txt
- %System Root%\08f61860c51ebc8a32\about_split.help.txt
- %System Root%\08f61860c51ebc8a32\about_switch.help.txt
- %System Root%\08f61860c51ebc8a32\about_throw.help.txt
- %System Root%\08f61860c51ebc8a32\about_transactions.help.txt
- %System Root%\08f61860c51ebc8a32\about_trap.help.txt
- %System Root%\08f61860c51ebc8a32\about_try_catch_finally.help.txt
- %System Root%\08f61860c51ebc8a32\about_type_operators.help.txt
- %System Root%\08f61860c51ebc8a32\about_types.ps1xml.help.txt
- %System Root%\08f61860c51ebc8a32\about_variables.help.txt
- %System Root%\08f61860c51ebc8a32\about_while.help.txt
- %System Root%\08f61860c51ebc8a32\about_wildcards.help.txt
- %System Root%\08f61860c51ebc8a32\about_windows_powershell_2.0.help.txt
- %System Root%\08f61860c51ebc8a32\about_windows_powershell_ise.help.txt
- %System Root%\08f61860c51ebc8a32\about_wmi_cmdlets.help.txt
- %System Root%\08f61860c51ebc8a32\about_ws-management_cmdlets.help.txt
- %System Root%\08f61860c51ebc8a32\default.help.txt
- %System Root%\08f61860c51ebc8a32\winrm.vbs
- %System Root%\08f61860c51ebc8a32\microsoft.backgroundintelligenttransfer.management.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.diagnostics.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.management.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.commands.utility.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.consolehost.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.powershell.security.dll-help.xml
- %System Root%\08f61860c51ebc8a32\microsoft.wsman.management.dll-help.xml
- %System Root%\08f61860c51ebc8a32\system.management.automation.dll-help.xml
- %System Root%\08f61860c51ebc8a32\wsmpty.xsl
- %System Root%\08f61860c51ebc8a32\wsmtxt.xsl
- %System Root%\08f61860c51ebc8a32\update\kb968930xp.cat
- %System Root%\08f61860c51ebc8a32\update\spcustom.dll
- %System Root%\08f61860c51ebc8a32\update\updspapi.dll
- %System Root%\08f61860c51ebc8a32\update\update.exe
- %System Root%\08f61860c51ebc8a32\update\update.inf
- %System Root%\08f61860c51ebc8a32\update\eula.txt
- %System Root%\08f61860c51ebc8a32\update\update.ver
- %System Root%\08f61860c51ebc8a32\$shtdwn$.req
Step 6
Search and delete these folders
- %Application Data%\urito
- %System Root%\_170687_
- %System Root%\08f61860c51ebc8a32
- %System Root%\08f61860c51ebc8a32\update
- %System Root%\_227250_
- %System Root%\51f631c1b234dd9f2d3e
Step 7
Scan your computer with your Trend Micro product to delete files detected as TROJ_KOVTER.THT. 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
Did this description help? Tell us how we did.