Title: Chorus

Remove Chorus. Removal instructions


 
Severity scale:Chorus severity is 40  (40 / 100)
 
Chorus is a browser hijacker that changes Internet Explorer default home and search pages to undesirable web sites and adds several commercial bookmarks to the web browser's Favorites list. The parasite doesn't have any additional functionality or dangerous payload. Chorus automatically runs on every Windows startup.

Chorus properties:
• Changes browser settings
• Hides from the user
• Stays resident in background

Automatic Chorus removal:

SpyHunter is recommended remover to uninstall Chorus. You should confirm using free trial that it detects current version of parasite.

Note: Manual assistance required means that one or all of removers were unable to remove parasite without some manual intervention, please read manul removal instructions below.

If you failed to remove Chorus using SpyHunter please report this to us.

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STOPzilla
We are testing STOPzilla's efficiency at removing Chorus (2005-10-30 04:29:16)
Malwarebytes Anti Malware
We are testing Malwarebytes Anti Malware's efficiency at removing Chorus (2005-10-30 04:29:16)
Spyware Doctor
We are testing Spyware Doctor's efficiency at removing Chorus (2005-10-30 04:29:16)
XoftSpySE Anti Spyware

Chorus manual removal:

Kill processes:
htmlsync.exe, isystem.exe, ldriver.exe, zlibc.exe
Delete registry values:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\ldriver
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows\Run\%Windows%\htmlsync.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\Run\%Windows%\zlibc.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\isystem
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchURL=[site address]
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Search Bar=[site address]
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Search Page=[site address]
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Start Page=[site address]
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Use Custom Search URL=1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Search_URL=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page=[site address]
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page=[site address]
Delete files:
htmlsync.exe, isystem.exe, ldriver.exe, zlibc.exe
Misc:
Exact file location:
htmlsync.exe, zlibc.exe - C:\Windows or C:\Winnt
isystem.exe, ldriver.exe - C:\Windows\System, C:\Windows\System32 or C:\Winnt\System32
Information added: 2005-10-30 01:52:01
Information updated: 2005-10-30 01:52:01

Additional resources related to Chorus:

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