La mia libreria
La mia libreria

+ Aggiungi alla libreria

Supporto
Supporto 24/7 | Regole per contattare

Richieste

Profile

Win32.HLLM.Reset.480

Aggiunto al database dei virus Dr.Web: 2015-09-20

La descrizione è stata aggiunta:

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>\jwaroevi\rarexsdb.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'RarExsdb' = '<LS_APPDATA>\jwaroevi\rarexsdb.exe'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\rarexsdb.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 execution of the following system utilities:
  • Windows Update
  • Windows Security Center
blocks the following features:
  • User Account Control (UAC)
  • Windows Security Center
Executes the following:
  • '<SYSTEM32>\svchost.exe'
  • '%TEMP%\byjjjqlf.exe'
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
Modifies file system:
Creates the following files:
  • %ALLUSERSPROFILE%\Application Data\ybfcuwpc.log
  • <LS_APPDATA>\lawhwilb.log
  • <LS_APPDATA>\jwaroevi\rarexsdb.exe
  • %TEMP%\byjjjqlf.exe
  • %TEMP%\ifqydaby.exe
Sets the 'hidden' attribute to the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\rarexsdb.exe
Network activity:
Connects to:
  • 'mn###iyhlyo.com':443
  • 'wh####wulfnbw.com':443
  • 'ql#####xxctvfcdajw.com':443
  • 'fb###qhsbun.com':443
  • 'xr#####landvrrohfkp.com':443
  • 'jd###bnnya.com':443
  • 'jh#####prlsbpyov.com':443
  • 'h3####ba720ui.com':443
  • '74.##5.232.51':80
  • 'vf####lyewhwrl.com':443
  • 'er###asmhtm.com':443
  • 'ox#####htpomjmwst.com':443
UDP:
  • DNS ASK mn###iyhlyo.com
  • DNS ASK wh####wulfnbw.com
  • DNS ASK ql#####xxctvfcdajw.com
  • DNS ASK fb###qhsbun.com
  • DNS ASK xr#####landvrrohfkp.com
  • DNS ASK jd###bnnya.com
  • DNS ASK jh#####prlsbpyov.com
  • DNS ASK h3####ba720ui.com
  • DNS ASK google.com
  • DNS ASK vf####lyewhwrl.com
  • DNS ASK er###asmhtm.com
  • DNS ASK ox#####htpomjmwst.com