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Trolleule

RunOnce command doesn't work

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Hi,

i wrote a reg file:

Windows Registry Editor Version 5.00[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]"Test"="cmd /K REG ADD \"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Associations\" /f /v DefaultFileTypeRisk /t REG_DWORD /d 1808 & REG ADD \"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Associations\" /f /v LowRiskFileTypes /t REG_SZ /d \".vbs;.reg;.msi;.cmd;.bat;.msp\""

Only 2 REG ADD commands which i have merged together with a "&". But on log on nothing happens!

 

When i write (i changed only the last few chars):

Windows Registry Editor Version 5.00[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]"Test"="cmd /K REG ADD \"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Associations\" /f /v DefaultFileTypeRisk /t REG_DWORD /d 1808 & REG ADD \"HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Associations\" /f /v LowRiskFileTypes /t REG_SZ /d \".vbs;.\""

it works... i got the cmd window on log on and the entries are added to registry too.

It seems as all combinations, which look like ".reg;.test;.lol" or similar doesn't work.

 

What is f***ing windows doing here? Has someone an idea?

Edited by Trolleule

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Well specifically:

" Windows has a 256 character limit on commands ran from the RunOnce registry in HKLU or HKLM"

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