These days one of the most common reason behind data loss is boot sector virus. As, we all know hard drive is divided in to various sectors. Boot sector is most important sector and is accessed first when the computer boots up.Boot sector is responsible for starting a computer. Boot sector virus attack on very first sector that is boot sector and create difficulty in booting the system.
What boot sector virus actually do?
Boot sector virus sometimes replaces the original boot sector code to its own code or sometime change the location of boot sector.During startup the virus is loaded into memory. Once loaded in memory, the virus will infect any non-infected disks accessed by the system.
Symptoms:
How to analyse your system is infected with boot sector virus:
1. One of the dangerous symptom is when all your data get disappeared from the partition.
2. Another, when boot sector virus creates various boot sectors in the system.
3. When your system fails to start or find difficulty in locating hard disk.
4. Some boot sector virus also contain instructions to redirect disk reads.
5. Some boot sector viruses damage the File Allocation Table (FAT) which is the index of all the files on the drive. This causes loss of data
Causes:
But what are the sources of boot sector.Below discussing some of the reasons behind boot sector virus:
1. Generally your system get boot sector virus when you download any files or receive any email attachments through internet.
Resolution:
To protect your system from boot sector virus always keep updated antivirus. Try to scan your system with updated antivirus. Updated Antivirus removes virus in most cases. But many times it can not remove virus. In that case it is better to consult data recovery services expert. They properly analyse the storage media in clean environment of class 100 clean room then recover the data.
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