Trojan:JS/IframeRef
If you are looking for ways to remove Trojan:JS/IframeRef, then you can find it on this page. Free tools and removal procedure is also included to get rid of the Trojan instantly.
Trojan:JS/IframeRef is a heuristic detection for a malicious JavaScript file that will alter Internet browser settings. The threat may redirect browser to unknown websites. It also modifies the home page settings of the affected computer. The Trojan activates within an IFrame while user is browsing a malicious web content of a modified web page.
Alias: Trojan.JS.Redirector.ACI, HTML.Redirector
Damage Level: Medium
Systems Affected: Windows 9x, 2000, XP, Windows Vista/7
Characteristics
Typically, Trojan:JS/IframeRef attacks web pages via SQL Injection. In this process, attacker may enter a target web site through specially crafted SQL statement submitted via ordinary web form.
FTP is another route to infect web pages. This may occur if the victim is maintaining a web site and the Trojan manages to steal file transfer protocol (FTP) credentials. It uses the FTP user name and password to access the web files and start to inject a malicious code into the header section of the page.
It also uses BlackHat search engine optimization (SEO), in which the Trojan will alter the search result URL with a malicious address. Thus, when user clicks on a link, it will be redirected to an unknown web site.
Security software may also initiate the detection of Trojan:JS/IframeRef when the infected web page is cache on user’s web browser.
Once user opens a page running a harmful JavaSript, Internet browser will be redirected to web address dsnextgen.com. As of this writing, the server is unavailable.
There are no similar symptoms for variants of Trojan:JS/IframeRef due to limited initialization process. It only runs when a malicious web site is visited. Only visible sign is alert messages from installed antivirus software when an attack triggers. Image below confirms that Microsoft Security Essentials can detect and remove the Trojan.
How to Remove Trojan:JS/IframeRef
1. Download Microsoft Safety Scanner from this link and safe it on your desktop. This is a free tool from Microsoft that offer on-demand scanning. It helps remove computer infection such as malware, virus, and Trojan.
Note: If you have previous version of Microsoft Safety Scanner that is more than 10 days old, please disregard it. Download a new from the official web site. Every 10 days, Microsoft will release the latest edition of this tool with updated anti-virus definitions to ensure that it will detect even most recent malware threats.
2. Open your antivirus program and update the virus definition. Refer to your antivirus manual on how to initiate an update. Most antivirus software provides one-click process.
3. Restart Windows in Safe Mode.
– Turn off the computer. Then turn the power on, immediately press F8 on your keyboard right after a text appears on the screen.
– It will display a selection. Please choose Safe Mode and press Enter. Most threats like Trojan:JS/IframeRef will not load when you run Windows in this mode.
4. Once Windows starts in Safe Mode, open your antivirus program and run a full system scan and clean/delete all infected files. If it cannot perform clean/delete, better put the infected file into quarantine so that it will remain inaccessible.
5. Locate the file of Microsoft Safety Scanner (msert.exe) that you download earlier. Double-click to run the file.
6. When it shows End user license agreement, please accept and click Next to continue.
7. On Scan Type window, please select Full scan. The tool will scan the entire system. This is ideal to detect and remove all threats that are present on the computer.
8. Click Next to begin the scan. This process will take a while to finish. Please be patient and let MSS complete the scan procedure.
9. Once the scan operation ends, it will provide a report for identified threats. Please remove all the threats.
10. Reboot the computer and run another scan after Windows boots normally to make sure that Trojan:JS/IframeRef is gone.
Alternative Removal Method for Trojan:JS/IframeRef
Option 1 : Use Windows System Restore to return Windows to previous state
If Trojan:JS/IframeRef enters the computer, there is a big chance that Windows files, registry entries and other essential components are also infected. System Restore can reinstate clean system files by restoring the configuration to an earlier date. The method also replaces compromised files with a clean version. If you have a saved restore point before Trojan:JS/IframeRef infiltrates the PC, we highly encourage you to execute this procedure if none of the above works. You may proceed with Windows System Restore, click here to see the full procedure.