Hi Dennis82,
Name: Online Service
Filename: sachost.exe
Fix sachost.exe errors: Try a Registry Scan
Command: %WinDir%\sachost.exe
Description: Added by the Troj/Multidr-E Trojan.
File Location: %WinDir%\sachost.exe
Startup Type: This startup entry is started automatically from a Run, RunOnce, RunServices, or RunServicesOnce entry in the registry.
HijackThis Category: O4 Entry
Also found to be part of an autorun infection:
On your usb stick the files sachost.exe & autorun.inf appear when you run it on a PC. If you delete these files, and these files are automattically reloaded by autorun when you put the usb stick into the PC.
Contents autorun folder:
[AutoRun]
open=sachost.exe
shellexecute=sachost.exe
shell\Auto\command=sachost.exe.
See the various cleansing routines here for autorun infections,
polonus