high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | March 2005 (3.91) |
| Protection available since | 3 February 2005 21:20:45 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
Windows NT/2000/XP/2003
In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. 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 entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Service Host
<Windows system folder>\Services\{C922CCC4-CF61-4589-A0D1-828160704853}\SVCHOST.EXE
and delete it if it exists.
Close the registry editor.
More Information
Troj/Daoser-A is a Trojan that downloads files without notifying the user.
Troj/Daoser-A connects to a predetermined website and downloads a configuration file. This may direct the Trojan to download further files.
At the time of writing, the Trojan is configured to download a copy of itself.
The Trojan may also open ports on the infected system, display advertising popups or intercept search requests.
Troj/Daoser-A drops components SVCHOST.EXE and SVCHOST.DLL in the following location:
<Windows system folder>\Services\{C922CCC4-CF61-4589-A0D1-828160704853}\
The Trojan creates the following registry entry in order to run the dropped components on system startup:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Service Host
<Windows system folder>\Services\{C922CCC4-CF61-4589-A0D1-828160704853}\SVCHOST.EXE
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