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Trojan.Win32.Scar.dzqy

Posted: August 12, 2011

Trojan.Win32.Scar.dzqy is a Trojan that uses advanced methods to redirect your web browser, in addition to downloading potentially harmful files, as well as running without your consent. Like all Trojans, Trojan.Win32.Scar.dzqy is a serious security risk and associated with a malicious and Trojan-propagating website called cloverat.com. Trojan.Win32.Scar.dzqy should be removed with an appropriate security application, since Trojan.Win32.Scar.dzqy makes Registry and Hosts file changes that are difficult to revert and may harm Windows if they're removed by improper methods.

Trojan.Win32.Scar.dzqy the Chinese Browser Hijacker

Most recorded Trojan.Win32.Scar.dzqy infections are of Chinese origin, but Trojan.Win32.Scar.dzqy's nature is even more Eastern than that – SpywareRemove.com malware researchers have observed that many Trojan.Win32.Scar.dzqy infections will engage in browser hijacks that specifically target Chinese websites. Accordingly, staying away from suspicious Chinese file sources and links may help prevent Trojan.Win32.Scar.dzqy from being installed on your PC.

Trojan.Win32.Scar.dzqy's browser hijacks use an advanced Hosts file modification that automatically redirects your web browser whenever you try to access specific domains. Although the most common website targets of Trojan.Win32.Scar.dzqy hijacks are Chinese, the same method can also be applied to other websites, and Trojan.Win32.Scar.dzqy does have the capacity to adjust its behavior based on configuration data.

Redirects will either change you to an unrelated website or block a website to prevent you from accessing it. This is particularly common for malicious software like Trojan.Win32.Scar.dzqy to use for blocking PC security websites.

What Trojan.Win32.Scar.dzqy Downloads When You're Not Watching

In addition to its well-defined browser-hijacking properties, Trojan.Win32.Scar.dzqy also has functions that enable Trojan.Win32.Scar.dzqy to use typical Trojan attacks. Standard risks that SpywareRemove.com malware research team has found to be associated with Trojan.Win32.Scar.dzqy infections include:

  • Trojan.Win32.Scar.dzqy may install other programs of malicious intent, such as TDSS.d!men rootkits, Gomeo browser hijackers, Trojan-Spy.Win32.Zbot.boux keyloggers and similar Trojans such as Trojan.Win32.Scar.dimu, Trojan.Win32.Scar.aeru and Trojan.Win32.Scar.dgje.
  • Trojan.Win32.Scar.dzqy will also launch itself without your consent. SpywareRemove.com malware researchers have found that this tactic uses standard Windows Registry changes that will not be removed solely by deleting Trojan.Win32.Scar.dzqy's files.
  • Finally, security vulnerabilities are also likely to appear on any PC that's been infected with Trojan.Win32.Scar.dzqy. These vulnerabilities may be limited to opened ports and firewall exceptions that allow Trojan.Win32.Scar.dzqy to perform its harmful duties, or they may be so extreme as to shut down all access to security-related software.

Safe Mode should be considered a standard counter to access software that's required to remove all of Trojan.Win32.Scar.dzqy's system changes, although serious infections may require more serious measures, such as booting Windows from an external hard drive. Under no circumstances should you think about ignoring a possible Trojan.Win32.Scar.dzqy infection, since this Trojan is a potentially extreme threat to your computer's security, and may even allow remote criminals to compromise your system.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%System%\jarinet\QQExtrenal.exe File name: %System%\jarinet\QQExtrenal.exe
File type: Executable File
Mime Type: unknown/exe
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