W32/AutoRun-AOA

Category: Viruses and Spyware Protection available since:22 Jul 2010 09:49:14 (GMT)
Type: Win32 worm Last Updated:03 Sep 2010 01:54:32 (GMT)
Prevalence: Small Number of Reports

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Summary

W32/AutoRun-AOA is a worm for the Windows platform.

Detailed analysis

Example behaviours of W32/AutoRun-AOA follow:

Example 1

Other vendor detection

Avira
Worm/Autorun.aaer
Kaspersky
Worm.Win32.AutoRun.fnc

Runtime Analysis

Copies Itself To
  • C:\WINDOWS\system32\system3_.exe
  • C:\WINDOWS\system3_.exe
Dropped Files
  • C:\WINDOWS\system32\autorun.ini
Registry Keys Created
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    Yahoo Messengger
    C:\WINDOWS\system32\system3_.exe
  • HKLM\SYSTEM\CurrentControlSet\Services\Schedule
    AtTaskMaxHours
    0x00000000
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
    GlobalUserOffline
    0x00000000
Registry Keys Modified
  • HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    Shell
    Explorer.exe system3_.exe
  • HKCU\Software\Microsoft\Internet Explorer\Main
    Start Page
    http://www.mydreamworld.50webs.com
  • HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
    Search Page
    http://www.mydreamworld.50webs.com
Processes Created
  • c:\windows\system32\at.exe
  • c:\windows\system32\cmd.exe

Example 2

Other vendor detection

Avira
TR/Crypt.CFI.Gen
Kaspersky
Worm.Win32.AutoRun.fnc

Runtime Analysis

Copies Itself To
  • C:\WINDOWS\system32\system3_.exe
  • C:\WINDOWS\system3_.exe
Dropped Files
  • C:\WINDOWS\system32\autorun.ini
Registry Keys Created
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
    NofolderOptions
    0x00000001
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    Yahoo Messengger
    C:\WINDOWS\system32\system3_.exe
  • HKLM\SYSTEM\CurrentControlSet\Services\Schedule
    AtTaskMaxHours
    0x00000000
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
    GlobalUserOffline
    0x00000000
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
    DisableTaskMgr
    0x00000001
Registry Keys Modified
  • HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    Shell
    Explorer.exe system3_.exe
  • HKCU\Software\Microsoft\Internet Explorer\Main
    Start Page
    http://www.advgoogle.blogdpot.com
  • HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
    Search Page
    http://www.advgoogle.blogdpot.com
Processes Created
  • c:\windows\system32\at.exe
  • c:\windows\system32\cmd.exe
HTTP Requests
  • http://h1.ripway.com/asdb000/setting.ini
  • http://h1.ripway.com/asdb002/setting.ini
  • http://www.balu000.0catch.com/set/setting.ini
DNS Requests
  • h1.ripway.com
  • www.balu000.0catch.com

Example 3

Other vendor detection

Avira
TR/Crypt.CFI.Gen
Kaspersky
Worm.Win32.AutoRun.fnc

Runtime Analysis

Copies Itself To
  • C:\WINDOWS\system32\system3_.exe
  • C:\WINDOWS\system3_.exe
Dropped Files
  • C:\WINDOWS\system32\autorun.ini
Registry Keys Created
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
    DisableTaskMgr
    0x00000001
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
    NofolderOptions
    0x00000001
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    Yahoo Messengger
    C:\WINDOWS\system32\system3_.exe
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings
    GlobalUserOffline
    0x00000000
  • HKLM\SYSTEM\CurrentControlSet\Services\Schedule
    AtTaskMaxHours
    0x00000000
Registry Keys Modified
  • HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    Shell
    Explorer.exe system3_.exe
  • HKCU\Software\Microsoft\Internet Explorer\Main
    Start Page
    http://www.mydreamworld.50webs.com
  • HKLM\SOFTWARE\Microsoft\Internet Explorer\Main
    Search Page
    http://www.mydreamworld.50webs.com
Processes Created
  • c:\windows\system32\at.exe
  • c:\windows\system32\cmd.exe
HTTP Requests
  • http://h1.ripway.com/asdb000/setting.ini
  • http://h1.ripway.com/asdb002/setting.ini
  • http://h1.ripway.com/asdb004/setting.ini
  • http://www.balu000.0catch.com/set/setting.ini
  • http://www.balu001.0catch.com/set/setting.ini
DNS Requests
  • h1.ripway.com
  • www.balu000.0catch.com
  • www.balu001.0catch.com

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