Cobra Antivirus

Cobra Antivirus is the most efficient and fastest antivirus software available in the market today. It helps you eliminate viruses and spyware effectively. Cobra is compatible with Windows 10, Windows 8, Windows 7, Windows XP, Windows Vista, Windows Me, Windows 2000, Windows 98/98Se, Windows ME, and Windows 95 platforms.

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Greetings! I am Rafu!

I am the author of Cobra Antivirus.

Once, my uncle asked me to check his laptop to fix it. It was working really very weird, most of the time the CPU & Ram was 100% full. There were a lot of unknown processes and notifications. However, the installed antivirus security did not find any threats. I found a deep hidden service program, freaking his antivirus. This program is known as a Rootkit (undetectable malware). I created Cobra Antivirus to remove Rootkits easily. That was in 2007! Now Cobra Internet Security eliminates most types of malicious software. If you think that you have been attacked, just use Cobra Antivirus.




New virus information is added to the Virus Information Library to ensure that the most recent information is always available instantly!

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Cobra Antivirus



  • Ability to identify malware and vector threats.
  • Automatic virus analysis technology AI.
  • High compatibility with other Antivirus.
  • Fast scanning technology uses less resources.
  • Improved handling of malicious processes running on the system.
  • Eliminate the risk of malware infection from USB (Removal Media).
  • Detect and retrieve fake folders, shortcuts, etc.

Minimum System Requirement


Supported Operating Systems:

Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, both 32bit and 64 bit

Hardware Requirements:

CPU: Pentium 233 MHz or above

RAM: 128 MB or above

Disk Space: the minimum of the space for installing Computer-Optimizer is 500 MB

AV scanner with dual engines: Cobra AV high-performance scanner

With two scanners, it scans faster than most other devices with just one?


Cobra Antivirus uses two major antivirus and antimalware technologies together, the scanners also scan faster as a result of the efficient combination.

In order to minimize memory and hardware consumption, unnecessary duplicate detections are avoided.

"Just say no to bloatware!"

"This product is far less bloated than any competitor's products, and gets the job done great. The daily updates keep you up to speed on the latest viruses. Finally, its much less expensive."

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"Killed my virus fast"

"My sister got a virus, so I looked all around her hard drive for it. I found nothing. Then I got this program and it found two! It is a trial, so I sugest getting it if you think you have a virus."

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"Works Great!"

"This package has nailed viruses that have totally crippled systems to the point where my av was of no value. And it works from DOS too! That's handy in the case where Windows is too dysfunctional."

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"The best"

"Regular updates, very easy to use, cheap, efficient: really and simply excellent!"

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"Very fast, effective, and easy-to-use"

"This is a great antivirus program. Its fast...it has a very easy to use interface, and it has quick and easy internet updates. Good as any other antivirus program out there..and cheaper!"

img Jenny

"GREAT!!!"

"Really great program. Do yourself a favor and download this."

img Billy-Boy

"Easy & thorough"

"This program is very quick and easy to download, even for the novice. It found and fixed the Klez.h virus effectively. I am recommending it to everyone. I just loved the ease at which it worked."

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Cobra Antivirus FAQ

Now-a-days pen drive viruses are spreading rapidly. Most of the pen drive viruses create an autorun.inf file in the root of the pen drive folder to load automatically when the pen drive is inserted in the system. You can create a folder named autorun.inf in the root folder of pen drive to overcome this problem. Set this folder to read only, system and hidden by using attrib +h +r +s autorun.inf at the command prompt of the pen drive. Also you can hold SHIFT key to stop the execution of autorun.inf when you inserting the pen drive. Then you can use Cobra antivirus scanner to remove the infected files.
First Method: Click mouse right button on the Cobra Scheduler icon and select "Configure Scheduler". Scheduler icon will be there in the system tray near to the clock icon. Click " Update Now " button to download latest DEF files. You must have active Internet connection for this.

Second Method: You can download and install the update file from the link Cobra Update. By installing this update, Cobra can protect your system from all latest viruses.
First method: Download and install Cobra antivirus update from the link http://www.srnmicro.com/customers/update.htm . Then restart the system in SAFE mode. [ As soon as the BIOS has finished loading, continually tap the F8 key until the Windows Advanced Options menu appears. Using the cursor keys, scroll down to "Safe mode" and press Enter key. ]

Run Cobra antivirus scanner from Windows desktop and choose Scan and Clean option to clean infected files in SAFE mode. In case of backdoor or trojan , you need to choose Delete option in the Cobra scanner to remove infected files.

Second method: Start your system in SAFE mode with Command Prompt. [ As soon as the BIOS has finished loading, continually tap the F8 key until the Windows Advanced Options menu appears. Using the cursor keys, scroll down to "Safe mode with Command Prompt" and press Enter key.]. Run C:\WINDOWS\CobraSCAN.BAT to call Cobra emergency scanner. If you receive "Bad command or file name" message, download and save CobraSCAN.BAT in C:\WINDOWS from the link Cobra Emergency Scanner Bat File. Then start the machine in SAFE mode with Command Prompt and run C:\WINDOWS\CobraSCAN.BAT to call Cobra emergency scanner to remove viruses.
If you try to clean an opened file this error will occur. You should quit all windows applications before cleaning a virus. It is advisable to start your system in SAFE mode. [As soon as the BIOS has finished loading, continually tap the F8 key until the Windows Advanced Options menu appears. Using the cursor keys, scroll down to "Safe mode" and press Enter key. ]

Run Cobra antivirus scanner from Windows desktop and choose Scan and Clean option to clean infected files in SAFE mode. In case of backdoor or trojan , you need to choose Delete option in the Cobra scanner to remove infected files.
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