high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | July 2006 (4.07) |
| Protection available since | 28 May 2006 13:11:51 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
More Information
Troj/DwnLdr-BYH is a downloader Trojan for the Windows platform.
Troj/DwnLdr-BYH includes functionality to access the internet and communicate with a remote server via HTTP. Troj/DwnLdr-BYH is a downloader Trojan for the Windows platform.
Troj/DwnLdr-BYH includes functionality to access the internet and communicate with a remote server via HTTP.
When first run Troj/DwnLdr-BYH copies itself to <System>\ipf.exe and creates the file <System>\drivers\winut.dat.
The following registry entry is created to run ipf.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
IPF
<System>\ipf.exe
The following registry entries are set, affecting internet security:
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
<original path to Trojan executable>
<original path to Trojan executable>:*:Enabled:<original Trojan filename>
HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\
<System>\ipf.exe
<System>\ipf.exe:*:Enabled:ipf
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