Malicious email whose attachment is a virus or a malicious backdoor

National Computer virus Emergency treatment center through the monitoring of the internet found that the recent computer users are threatened by some malicious e-mail, the attachment is a virus or malicious backdoor procedures to remind users beware.

Typically, attachments to a malicious e-mail message are embedded in an e-mail message as a compressed attachment such as. Zip.rar, and the malicious e-mail message is attached to a Web page file in. htm (HTML) format, and a disguised script is embedded in its encoding.

Experts say that once a computer user clicks on an e-mail attachment, a scripted script in a Web page file will redirect the browser IE in the operating system to a software Web site embedded in a malicious Trojan program. At the same time, the malicious script program will inject into the Web page file, then use the operating system browser IE and plug-ins exist loopholes to run arbitrary malicious code instructions, hijacked Web browsing session information, steal computer users personal private information data and so on.

The National Computer Virus Emergency Processing Center advises users to download and install the operating system in a timely manner. Second, the timely upgrading of computer systems anti-virus software and firewalls. Third, do not randomly click or run through the QQMSN e-mail sent to the unfamiliar link address or file. Four is often replaced or set a more complex account password.