Sophos

Troj/Agent-GNO

Aliases
  • Trojan-Downloader.Win32.Agent.hmm
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Included in our products from March 2008 (4.27)
Protection available since 25 January 2008 13:34:05 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Agent-GNO is a Trojan for the Windows platform.

Troj/Agent-GNO changes settings for Microsoft Internet Explorer by modifying values under:

HKCU\Software\Microsoft\Internet Explorer\Main\Search Bar
HKCU\Software\Microsoft\Internet Explorer\Main\Search Page
HKCU\Software\Microsoft\Internet Explorer\Main\Start Page
HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Search_URL
HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page
HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page

The following registry entries are set, affecting internet security:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
1208
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
2500
3

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
1208
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
2500
3

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
1208
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
2500
3

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1208
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
2500
3

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
1208
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
2500
3

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
1201
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
1804
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
1201
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
1201
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
1804
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1201
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
1200
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
1201
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
1608
0

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
1804
1

The following registry entries are set, disabling system software:

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
DisableRegistryTools
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
DisableTaskMgr
1

Registry entries are set as follows:

HKCU\Software\Microsoft\Internet Explorer\Main
Enable Browser Extensions
yes

HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
EnableBalloonTips
1

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
EnableBalloonTips
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoControlPanel
1

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoWindowsUpdate
1

Registry entries are created under:

HKCR\.shtml

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