We often talk about preventative measures for viruses, but your computer may have already been infected. Learning how to spot the signs that a computer virus is in your machine can help to minimise the spread and return your systems back to optimal condition as quickly as possible.
A computer virus can come from a variety of sources. One of the best ways to mitigate your risk can be via team training and testing. This can greatly reduce the risk associated with your employees. Remember that your other security measures are only as strong as the people using them. Therefore, if your team don’t have the knowledge required to avoid computer virus threats, then the other measures in place won’t be as effective.
Slow computer speeds
There may be a number of reasons why your computer behaves in a slow and clunky manner. If you have ruled out some of the more common issues regarding maintenance and general usage, then there is a high likelihood that a computer virus may be the root cause.
Your computer requires a large proportion of its resources to be able to run quickly and efficiently. When infected with a computer virus, it won’t be able to access all of these resources, leading to clunky running.
It is vital to remember that malware can infect any digital device, not just your computer. Therefore, if your tablet or smartphone also run slower than they used to then you may want to consider the possibility that a virus is to blame.
Loss of access to files
Being able to access all of your files is imperative, especially when these files contain sensitive data. Loss of access is often a troublesome sign that a computer virus has found its way into your machine.
This may involve you being unable to see files that should be saved on your machine or cloud-based storage. In certain cases, you may attempt to open a file and receive a message that you do not have the authority to edit or access that particular document. As the owner or manager of a company, you shouldn’t be locked out of any files. Therefore, when instances like this occur, it is likely that a computer virus is to blame.
Some may find that, when unable to access their data, they also receive messages asking for payment for it to be restored. This particular brand of virus is known as ransomware. The files will be held by the person who created or distributed the virus until payment is made. However, even then there is no guarantee that file access will be restored. If it is, it is entirely possible that the hacker will have left some form of backdoor in place, enabling them to take over your data in the future if they so wish. Caving to ransomware also doesn’t protect your data from being copied or sold on the dark web.
Pop-ups and sounds
A number of viruses may cause pop-ups to sporadically appear on your machine. This may be accompanied by sounds.
Some pop-ups may alert you to the existence of the virus, or be a part of the malicious program itself.
When you hear alerts without an accompanying pop-up or message, this may indicate a warning notification that your anti-virus software has attempted to send you, but the virus is trying to suppress it.
Another clear sign that a computer virus has infiltrated your machine is when programs don’t behave as they should. Alongside problems with the actual resources on your computer, you may find that any software installed behaves erratically. This may involve it not starting up whatsoever, or crashing part-way through use.
Should your programs behave in this way, and general computer issues aren’t to blame, you could have a computer virus to blame. Thoroughly searching your systems for files that you don’t recognise, or that are harmful, could help to find and eradicate a potential threat.
All businesses should have good anti-virus software installed on all devices used for work purposes. Alongside that, you should also use that same software on personal devices, regardless of whether they are used for business or not.
However, simply having anti-virus software installed isn’t enough. It is imperative that you run regular scans on all of your folders to check for a computer virus or abnormality.
Should your anti-virus software inform you of a potential threat, you shouldn’t take this information lightly. Sometimes, this may be to protect you from a website you attempted to view, or a file you tried to download. These preventative measures can be instrumental in keeping you safe.
On other occasions, your anti-virus may notify you during or after a scan. When this occurs, it is likely that a computer virus has been found within your systems. A good anti-virus program will be able to remove and quarantine this virus, allowing your machine to return to its normal state.
Remember that some types of computer virus are able to slip past anti-virus protection, meaning your need to remain vigilant when accessing sites or downloading files.
Failure to launch
It can be incredibly worrying to find that your business computer refuses to boot up whatsoever. Should any hardware issues have been ruled out, the issue may lie with a computer virus instead.
Your options here can be to boot your computer up in safe or repair mode, if possible, or to take it to a trained specialist who can diagnose and rectify the issue. Until this is resolved, you won’t be able to use that specific machine.
In instances like these, this is why it is so important to use cloud storage as opposed to saving items directly onto the hard drive. Should the device be irreparable, all the work within it may very well be permanently lost. However, the use of cloud-based storage solutions means that you could access those files from another device.
Unauthorised access
A responsible business owner should keep track of who has accessed different files, especially if they contain sensitive or confidential information. Should you notice that the file has been accessed by a third party, this may be an indicator of a computer virus or hacking attempt.
There may be any number of reasons why someone may attempt to gain entry to your files. It could be a general hacking attempt, with the hopes of holding your data to ransom. However, not all unauthorised file access will be due to a computer virus or hacker. At times, disgruntled ex-employees may be to blame. This is why it is imperative that each member of your team only has access to the files they genuinely need, and that old employees are removed once their time at your business is over.
In cases of unauthorised access by third parties, it can be useful to speak to an IT support and cyber security provider who may be able to help you better secure your files from future attempts, as well as safeguard against current ones.
If you know, or even suspect, that a computer virus has infected your systems then you need to act quickly. Contact your IT support team as soon as you’ve spotted any signs of a virus. This can help to prevent it from spreading across your entire network.
To futureproof your systems from computer virus issues, you should think about increasing your security measures while better training your team. Something as simple as teaching them not to click on links or downloads sent via email could make a big difference.
Anne-Marie Blazdell is a Marketing & Communications Manager with expertise in digital marketing, content creation, and IT solutions. With a strong foundation in graphic design, she trained at Farnborough College of Technology and Southampton Solent University before advancing into marketing and business IT support.
Since joining Syn-Star in 2022, Anne-Marie has specialised in crafting SEO-optimised website content, managing social media, and helping businesses navigate the complexities of IT. Her work bridges the gap between technology and business, making IT more accessible and effective.
Anne-Marie Blazdell is a Marketing & Communications Manager with expertise in digital marketing, content creation, and IT solutions. With a strong foundation in graphic design, she trained at Farnborough College of Technology and Southampton Solent University before advancing into marketing and business IT support.
Since joining Syn-Star in 2022, Anne-Marie has specialised in crafting SEO-optimised website content, managing social media, and helping businesses navigate the complexities of IT. Her work bridges the gap between technology and business, making IT more accessible and effective.
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