Troj/Agent-HRI is a Trojan for the Windows platform.
When first run, Troj/Agent-HRI copies itself to <System>\mscdexntx.exe and sets the following registry to run itself on startup:
HKLM\SOFTWARE\Microsoft\Windows_NT\CurrentVersion\Winlogon
Userinit
<System>\userinit.exe, <System>\mscdexntx.exe
Troj/Agent-HRI sets the following registry entry:
HKCU\Software\Microsoft
version
<random 8-letter string>
Troj/Agent-HRI attempts to download and execute a file from a remote website. At the time of writing this file is detected as Mal/EncPk-DG.