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Virus:DOS/Rovnix.W Can Be Removed, Best Solution to Follow up

Virus:DOS/Rovnix.W Troubles

remove Virus:DOS/Rovnix.W

  1. Computer attacked by Virus:DOS/Rovnix.W slows down a lot, for instance, the words currently type are 10-seconds delay.
  2. Numbers of explorer.exe processes are increasing in the background to consume plenty of CPU.
  3. CPU and memory usage steadily rise while the Virus:DOS/Rovnix.W affected computer idles.
  4. Some of the installed anti-virus programs are blocked not to be working.

Apart from the above listed troubles, more can be anticipated if Virus:DOS/Rovnix.W sustains its life on a target machine, such as browser redirect problem (note: the virus contains a URL address and uses HTTP protocol in the communication, it hooks Windows APIs to modify network traffic by creating and running a new thread with its own program code within processes concerning browsers).

Virus:DOS/Rovnix.W Hinders Automatic Removal

Virus:DOS/Rovnix.W is actually a Trojan horse and is classified specifically as Rovnix which was the first bookit family to use VBR (Volume Boot Record) infection (NTFS bootstrap code) for loading unsigned kernel-mode drivers on x64 (64 bit) platforms. Now, Virus:DOS/Rovnix.W has been developed to contain both 32-bit and 64-bit program components, which is much more advanced than Win64/Rovnix.gen!C. In other word, Virus:DOS/Rovnix.W targets all Windows platforms.

Unlike the average Trojan horse, DOS/Rovnix.W replaces the original VBR (Volume Boot Record) of the hard disk drive with its own data. That is to say, disk format will not help remove Virus:DOS/Rovnix.W thoroughly as boot record does not belong to any disk.

Besides, there are other evil deeds that enable the DOS/Rovnix Trojan hinder automatic removal. When it is settled, it writes its own data to the end of a physical drive so that Virus:DOS/Rovnix.W manages to place and execute its copies in pivotal sections within a target system, such as startup, security service without too much disturbance; add self-made values and keys into Database to consolidate the malicious modifications. It is worthy of the mention that the files generated by the virus have the System (S) and Hidden (H) attributes present in attempt to hide the file in Windows Explorer, which is the reason why duplicate system running processes are increasing and man-made security programs are confused not to help remove Virus:DOS/Rovnix.W automatically. The root cause of aborted automatic removal is that the virus would delete its original executable file when the entire installation is finished, making it possible to escape even the most powerful automatic removal when it still utilizes the typical vicious way to infiltrate a target machine.

Below is the best solution offered by VilmaTech Online Support. Be noted that computer specialty is required to carry out the steps correctly and completely. On the occurrence of any obstacles that cannot be solved, senior technicians are right here to provide instant and professional assistance.

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Best Solution to Remove Virus:DOS/Rovnix.W

Step1. Access Safe Mode to remove Virus:DOS/Rovnix.W.

Windows 7/Vista/XP

  • Restart the affected computer to keep tapping on “F8 key” when the computer is booting.
    restart computer to remove Virus:DOS/Rovnix.W
  • Wait for “Windows Advanced Options Menu” screen and use your arrow keys to highlight ‘Safe Mode’.
    enter safe mode to remove Virus:DOS/Rovnix.W
  • Press Enter key to enter into Safe Mode.

Windows 8

  • Restart the affected computer.
    restart win8 to remove Virus:DOS/Rovnix.W
  • Hold the Shift button and keep tapping on the F8 key as the computer is booting.
    use shift+f8 to restart windows 8
  • Choose ‘See advanced repair options’ with arrow key for its sub-option ‘Troubleshoot’.
  • Then select ‘Advanced Options’ for its sub-option ‘Windows Startup Settings’.
    Enter win8 safe mode to remove Virus:DOS/Rovnix.W
  • Hit ‘Restart’ button on the lower right hand corner of the desktop.

Step2. Change the partitions for Virus:DOS/Rovnix.W removal.

  • Spread Start menu and access Control Panel (for Windows8 users, Control Panel can be reached from “Unpin” menu) for System and Security.
    enter System and Security to remove Virus:DOS/Rovnix.W
  • Select Administrative Tools to double-click Computer Management.
  • Locate Storage in the left pane to access Disk Management.
    enter disk management to remove to remove Virus:DOS/Rovnix.W
  • Right-click the volume you want to shrink to select Shrink Volume.
  • Follow on-screen instructions to finish the re-partition.

Step3. Implement hard disk low level format to remove Virus:DOS/Rovnix.W.

Tip: low level formatting must be executed with extreme caution. A wrong choice on which storage device to zero would lead to total, absolute, irrecoverable destruction of your critical data.

  • Take the old disk and connect it to your machine.
  • Wait for the system to identify the disk.
  • Execute the dd command against the device that has Virus:DOS/Rovnix.W.
    use dd command to remove Virus:DOS/Rovnix.W
  • It would take a long while to finish the low-level formatting due to churning CPU (5-6 hours is required to low-level format a disk as large as 500GB).


Virus:DOS/Rovnix.W Payload

Virus:DOS/Rovnix.W’s payload is downloading and executing additional modules from the C&C server ( C& C domain has been detected). It works in multithreading mode to communicate with the malicious driver; it also sends an encrypted buffer to the malicious driver to be written to hidden storage and injected into processes. Virus:DOS/Rovnix.W can use multiple payloads and can be used to provide a botnet for rent which is how Virus:DOS/Rovnix.W earns money (the ultimate goal).

Virus:DOS/Rovnix.W Menaces Security

As described above, Virus:DOS/Rovnix.W attacks DOS and arouse hard drive failures. With drivers being overwritten, software concerned will be weakened not to play fully. Consequently, vulnerability is formed to be readily detected and exploited by any destructive infections concealed in the Internet. This would definitely lead to system security as well as information security. What Virus:DOS/Rovnix.W collects is mainly operating system version, language settings and online whereabouts. When the collection is done, it connects to the URL contained in its iframe field automatically and sends gathered information to its remote machine.

Virus:DOS/Rovnix.W bootstrap code

Permanently Remove Virus:DOS/Rovnix.W?

It is extremely hard to remove Virus:DOS/Rovnix.W permanently as the virus owns a great many dissemination routines:

  1. Virus:DOS/Rovnix.W injects its vicious code on some loosely programmed web sites.
  2. It fakes Adobe update message and other verisimilar messages to trap innocent PC users into downloading its vicious code.
  3. The DOS/Rovnix Trojan piggybacks on freeware/shareware to be downloaded in union.
  4. Virus:DOS/Rovnix.W can be brought onto a machine by other Trojan horse or infections of other types like browser malware as it hooks Windows APIs.
  5. It exploits vulnerability/loophole/backdoor on a machine or within installed programs to achieve its settlement.
  6. Virus:DOS/Rovnix.W spreads its virulent code through attachments in emails, instant chat tool and so on.

Any carelessness would recruit Virus:DOS/Rovnix.W. What can be done the most is to remove it completely and follow good PC practice thereafter. Let’s make it a point to remove it completely as any remnant would retrieve Virus:DOS/Rovnix.W, occupy limited internal storage, give rise to error messages due to incompatibility or conflict in the future. It should be advised that extra mechanical problem thereby can complex the removal procedure; while the above steps are designed exclusively to Virus:DOS/Rovnix.W. If you are overwhelmed by its problems and know little about DOS, it is recommended to contact VilmaTech Online Support and get specialized technical help right away to tackle down Virus:DOS/Rovnix.W as well as all the incidental issues.

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