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Win32.HLLM.Reset.462
Added to the Dr.Web virus database:
2015-01-06
Virus description added:
2015-01-06
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,,<LS_APPDATA>\ibyihspc\qhqurvyp.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'QhqUrvyp' = '<LS_APPDATA>\ibyihspc\qhqurvyp.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DisableNotifications' = '00000001'
[<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
To complicate detection of its presence in the operating system,
blocks the following features:
User Account Control (UAC)
Windows Security Center
Modifies file system :
Creates the following files:
%APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qhqurvyp.exe
<LS_APPDATA>\ibyihspc\qhqurvyp.exe
Sets the 'hidden' attribute to the following files:
%APPDATA%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qhqurvyp.exe
Network activity:
Connects to:
UDP:
'localhost':60421
'localhost':61016
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: 'Indicator' WindowName: ''
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