Remove Chast. Description and removal instructions

Title: Chast
Type: Backdoors	Severity scale: (77 / 100)

Chast is a backdoor that provides the attacker with unauthorized remote access to a compromised computer. The intruder can control the infected system and steal user sensitive data. Chast also records user keystrokes, captures online chat conversations and collects system information. It may install a trojan able to hide Chast running processes. The backdoor automatically runs on every Windows startup.

FORUM:
Discuss Chast in
spyware removal forum

Chast properties:
• Allows remote user connection
• Logs keystrokes
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic Chast removal:

remover for Chast

Chast manual removal:

Kill processes:
win16svc.exe

HELP:
how to kill malicious processes

Delete registry values:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system32check

HELP:
how to remove registry entries

Delete files:
win16svc.exe, isnsys.dll, isnsys32zx.dll

HELP:
how to remove harmful files

Delete directories:
C:\Windows\System\isndata
C:\Windows\System32\isndata
C:\Winnt\System32\isndata
Misc:
The backdoor creates files with random names.

Most Chast files reside in C:\Windows or C:\Winnt directory.

Other programs to remove Chast:

• Malwarebytes Anti Malware - Review - Download
• Malwarebytes Anti Malware - Review - Download
• Windows Defender - Review - Download

Information added: 23/11/05
Information updated: 23/11/05

Additional resources related to Chast:

Attention: If you know or you have a website or page about Chast removal, feel free to add a link to this list: add url

more resources

Post Comment:

Attention: Use this form only if you have additional information about Chast parasite, its removal instructions, additional resources or behavior. By clicking "post comment" button you agree not to post any copyrighted, unlawful, harmful, threatening, abusive, harassing, defamatory, vulgar, obscene, profane, hateful, racially, ethnically or otherwise objectionable material of any kind.