high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 8 April 2005 21:08:43 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
You will also need to edit the following registry entries, if they are present. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entries:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKLM\Software\Microsoft\Windows\CurrentVersion\
ShellServiceObjectDelayLoad\
and remove any reference to any file you deleted.
Close the registry editor.
More Information
Troj/Shed-A is a Trojan for the Windows platform.
Troj/Shed-A reduces internet security settings. Troj/Shed-A is a Trojan for the Windows platform.
Troj/Shed-A creates the following registry entries in order to run itself automatically at logon:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
<word pair>
<Windows system folder>\bopotsvr.exe
HKCR\Classes\CLSID\<GUID>\InProcServer32\
default)
C:\\WINDOWS\\System32\\c_12atex.dll
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ ShellServiceObjectDelayLoad
Shedule Address
<GUID>
where <GUID> is a randomly-generated sequence and <word pair> is a combination of any two words from the following list:
Internet
Security
Protocol
Meeting
Shedule
Explorer
Messenger
Browser
Component
Windows
Media
Player
Address
Themes
Update
Connection
Agent
WebControl
Network
Remote
Access
Terminal
Client
If run with sufficient rights Troj/Shed-A will install itself as an application authorised by Windows Firewall to communicate with the outside world.
Troj/Shed-A may attempt to download configuration files specifying further actions to take, including downloading and executing files.
Troj/Shed-A drops another file to the Windows temporary folder and runs it. This file (also detected as Troj/Shed-A) opens a hidden Internet Explorer window at a preconfigured URL after modifying internet security settings by changing the following registry entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1001
0
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1004
0
HKLM\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
1201
0
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