Не могу поменять поиск по умолчанию в Google Chrome

begin
ShowMessage('Внимание! Перед выполнением скрипта AVZ автоматически закроет все сетевые подключения.' + #13#10 + 'После перезагрузки компьютера подключения к сети будут восстановлены в автоматическом режиме.');
ExecuteFile('net.exe', 'stop tcpip /y', 0, 15000, true);
if not IsWOW64
 then
  begin
   SearchRootkit(true, true);
   SetAVZGuardStatus(True);
  end;
 QuarantineFile('F:\Users\Макс\AppData\Roaming\The Sims 4\Reversed\steam.exe','');
 QuarantineFile('F:\Users\Макс\AppData\Roaming\cpuminer\sgminer\sgminer.cmd','');
 QuarantineFile('F:\Users\Макс\AppData\Local\promoskiki\stub.exe','');
 QuarantineFile('F:\Users\Макс\AppData\Local\promoskiki\config.json','');
 QuarantineFile('F:\Users\Макс\AppData\Local\Kometa\Application\kometa.bat','');
 QuarantineFile('F:\Program Files (x86)\Zaxar\timetasks.exe','');
 QuarantineFile('F:\Program Files (x86)\Zaxar\ZaxarGameBrowser.exe','');
 QuarantineFile('F:\Program Files (x86)\Internet Explorer\iexplore.bat','');
 DeleteFile('F:\Program Files (x86)\Internet Explorer\iexplore.bat','32');
 DeleteFile('F:\Program Files (x86)\Zaxar\ZaxarGameBrowser.exe','32');
 DeleteFile('F:\Program Files (x86)\Zaxar\timetasks.exe','32');
 DeleteFile('F:\Users\Макс\AppData\Local\Kometa\Application\kometa.bat','32');
 DeleteFile('F:\Users\Макс\AppData\Local\promoskiki\config.json','32');
 DeleteFile('F:\Users\Макс\AppData\Local\promoskiki\stub.exe','32');
 DeleteFile('F:\Users\Макс\AppData\Roaming\cpuminer\sgminer\sgminer.cmd','32');
 DeleteFile('F:\Users\Макс\AppData\Roaming\The Sims 4\Reversed\steam.exe','32');
 DeleteFile('F:\Windows\system32\Tasks\Steam-S-1-8-22-9865GUI','64');
RegKeyParamDel('HKEY_LOCAL_MACHINE','Software\Microsoft\Windows\CurrentVersion\Run','cpuminer-gpu');
 RegKeyParamDel('HKEY_CURRENT_USER','Software\Microsoft\Windows\CurrentVersion\Run','promoskiki');
 RegKeyParamDel('HKEY_LOCAL_MACHINE','Software\Microsoft\Windows\CurrentVersion\Run','Timestasks');
 RegKeyParamDel('HKEY_LOCAL_MACHINE','Software\Microsoft\Windows\CurrentVersion\Run','ZaxarGameBrowser');
BC_ImportAll;
ExecuteSysClean;
BC_Activate;
RebootWindows(false);
end.

begin
CreateQurantineArchive('c:\quarantine.zip');
end.

CreateRestorePoint:
HKU\S-1-5-21-419389189-2706214229-2541110213-1000\...\Winlogon: [Shell] F:\Windows\expstart.exe [925184 2015-01-09] () <==== ATTENTION 
GroupPolicy: Group Policy on Chrome detected <======= ATTENTION
CHR HKLM\SOFTWARE\Policies\Google: Policy restriction <======= ATTENTION
DefaultPrefix-x32: => http://yamdex.net/?searchid=1&l10n=ru&fromsearch=1&imsid=e0e3ea1ef6639c2d0fb328a6d4840c07&text= <==== ATTENTION
CHR Extension: (promoskiki) - F:\Users\Макс\AppData\Local\Google\Chrome\User Data\Default\Extensions\fafceeakhmbanmolhficnpfaalkbffpc [2015-07-12]
2015-07-12 01:23 - 2015-05-23 01:07 - 00000864 _____ F:\Windows\system32\Drivers\etc\hp.bak
2015-07-12 01:22 - 2015-07-12 14:33 - 00000000 ____D F:\Users\Макс\AppData\Local\promoskiki
2015-07-12 01:22 - 2015-07-12 01:22 - 00000000 ____D F:\Users\Макс\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\promoskiki
F:\Users\Макс\AppData\Local\Temp\stub.exe
Task: {007C0840-61F9-46CE-A1E2-E6DB64EA0C36} - \Steam-S-1-8-22-9865GUI No Task File <==== ATTENTION
Task: {1E727D1E-C22A-49BA-B47F-F517D9DABE3B} - \Soft installer No Task File <==== ATTENTION
Reboot: