Malware

Malware is a huge threat. It can cause a lot of damage and cost people a lot of money. As technology advances, so do the tactics used by cybercriminals.

Malware keeps getting more complex and harder to detect. Here are seven new and tricky types of malware that you should know about:

Polymorphic Malware

Polymorphic malware is a type of malware that changes its code every time it replicates. This makes it hard for antivirus software to detect because it looks different each time. Polymorphic malware uses an encryption key to change its shape and signature. It combines a mutation engine with self-propagating code to change its appearance continuously and rapidly morph its code.

This malware consists of two main parts: an encrypted virus body and a virus decryption routine. The virus body changes its shape, while the decryption routine remains the same and decrypts and encrypts the other part.

Fileless Malware

Fileless malware is malicious software that works without planting an actual file on the device. Over 70% of malware attacks do not involve any files. It is written directly into the short-term memory (RAM) of the computer. This type of malware exploits the device’s resources to execute malicious activities without leaving a conventional trace on the hard drive.

Fileless malware typically starts with a phishing email or other phishing attack. The email contains a malicious link or attachment that appears legitimate but is designed to trick the user into interacting with it. Once the user clicks on the link or opens the attachment, the malware is activated and runs directly in RAM.

Advanced Ransomware

Ransomware is a sophisticated form of malware designed to hold your data hostage by encrypting it. Advanced ransomware now targets not just individual computers but entire networks. It uses strong encryption methods and often steals sensitive data before encrypting it. This adds extra pressure on victims to pay the ransom because their data could be leaked publicly if they don’t comply.

Ransomware attacks typically start with the installation of a ransomware agent on the victim’s computer. This agent encrypts critical files on the computer and any attached file shares. After encryption, the ransomware displays a message explaining what happened and how to pay the attackers.

Social Engineering Malware

Social engineering malware tricks people into installing it by pretending to be something safe. It often comes in emails or messages that look real but are actually fake. This type of malware relies on people making mistakes rather than exploiting technical weaknesses.

Social engineering attacks follow a four-step process: information gathering, establishing trust, exploitation, and execution. Cybercriminals gather information about their victims, pose as legitimate individuals to build trust, exploit that trust to collect sensitive information, and finally achieve their goal, such as gaining access to online accounts.

Rootkit Malware

Rootkit malware is a program or collection of malicious software tools that give attackers remote access to and control over a computer or other system. Although rootkits have some legitimate uses, most are used to open a backdoor on victims’ systems to introduce malicious software or use the system for further network attacks.

Rootkits often attempt to prevent detection by deactivating endpoint antimalware and antivirus software. They can be installed during phishing attacks or through social engineering tactics, giving remote cybercriminals administrator access to the system. Once installed, a rootkit can install viruses, ransomware, keyloggers, or other types of malware, and even change system configurations to maintain stealth.

Spyware

Spyware is malicious software designed to enter your computer device, gather data about you, and forward it to a third-party without your consent. Spyware can monitor your activities, steal your passwords, and even watch what you type. It often affects network and device performance, slowing down daily user activities.

Trojan Malware

Trojan malware is a sneaky type of malware that infiltrates devices by camouflaging as a harmless program. Trojans are hard to detect, even if you’re extra careful. They don’t self-replicate, so most Trojan attacks start with tricking the user into downloading, installing, and executing the malware.

Trojans can delete files, install additional malware, modify data, copy data, disrupt device performance, steal personal information, and send messages from your email or phone number. They often spread through phishing scams, where scammers send emails from seemingly legitimate business email addresses.

Protect Yourself from Malware

Protecting yourself from malware requires using the right technology and being aware of the risks. By staying informed and proactive, you can significantly reduce the risk of malware infections. If you need help safeguarding your digital world, contact us today for expert advice.

Article used with permission from The Technology Press.

Approximately 34% of businesses take a week or longer to regain access to their data and systems once hit with a malware attack.

Malware is an umbrella term that encompasses many different types of malicious code. It can include viruses, ransomware, spyware, trojans, adware, key loggers, and more.

The longer that malware sits on your system unchecked, the more damage it can do. Most forms of malware have a directive built in to spread to as many systems as possible. So, if not caught and removed right away, one computer could end up infecting 10 more on the same network in no time.

Early detection is key so you can disconnect an infected device from your network and have it properly cleaned by a professional.

Keep an eye out for these key warning signs of malware infection so you can jump into action and reduce your risk.

Strange pop-ups on your desktop

Some forms of malware can take on the disguise of being an antivirus app or warranty notice that pops up on your screen.

Hackers try to mimic things that users may have seen from a legitimate program, so they’ll be more apt to click without thinking.

If you begin to see a strange “renew your antivirus” subscription alert or a warranty renewal that doesn’t quite make sense, these could be signs that your PC has been infected with adware or another type of malware.

New sluggish behavior

Computers can become sluggish for a number of reasons, including having too many browser tabs open at once or running a memory-intensive program. But you’ll typically know your computer and the types of things that slow it down.

If you notice new sluggish behavior that is out of the ordinary, this could be an infection. One example would be if you don’t have any programs open except notepad or another simple app, and yet you experience freezing.

When malware is running in the background, it can often eat up system resources and cause your system to get sluggish.

Applications start crashing

Applications should not just crash out of the blue. There is always a reason. Either the software is faulty, there’s been an issue with an update, or something else may be messing with that application’s files.

If you suddenly experience apps crashing, requiring you to restart the app or reboot your system, this is another telltale sign that a virus, trojan, or other malicious code has been introduced.

Your browser home page changes

If you open your browser and land on a homepage that is not the one you normally see, have your PC scanned for malware right away. Redirecting a home page is a common ploy of certain types of malware.

The malware will infect your system and change the system setting for your default browser home page. This may lead you to a site filled with popup ads or to another type of phishing site.

Just trying to change your homepage back in your settings won’t fix the situation. It’s important to have the malware removed as soon as you suspect something is wrong..

Sudden reboots

Another annoying trait of certain types of malicious code is to make your system reboot without warning.

This can cause you to lose the work you’ve just done and can make it difficult to get anything done. This may happen when malware is changing core system files behind the scenes.

With files corrupted, your system becomes unstable and can often reboot unexpectedly.

Missing hard drive space

If you find that a good deal of your hard drive space that used to be open is now gone, it could be a malware infection taking up your space. Some types of malware may make copies of files or introduce new files into your system.

They will cleverly hide, so don’t expect to see the word “malware” on a file search. Instead, the dangerous activities will usually be masked by a generic-sounding name that you mistake for a normal system file.

You run across corrupted files

If you open a file and find it corrupted, this could be a red flag that ransomware or another form of malware has infected your system.

While files can occasionally become corrupt for other reasons, this is a serious issue that deserves a thorough malware scan if you see it.

Get expert malware scanning and removal

Free online malware and virus scans aren’t very reliable. Instead, come to a professional like Tech Experts that can ensure your entire system is cleaned properly.

According to new research, four in five malware attacks delivered by encrypted connections evade detection. And since two-thirds of malware is now arriving this way, it has the potential to be a big problem for your business.

This type of threat has already hit record levels and continues to grow. So, if you don’t yet have a response and recovery plan in place, now’s the time to create one.

It sits alongside your cyber security software protection and regular staff training. The plan details what you do in the event of a cyber-attack.

Having the right plan in place means all your people will know how to sound the alarm if something is wrong. It ensures downtime and damage are kept to an absolute minimum.

The faster you respond to an attack, the less data you should lose, the less it should cost you to put things right, and the faster you get back to work. Of course, you should also follow the usual security guidelines of making sure that updates and patches are installed immediately, and regularly checking your backup is working and verified.

Businesses that don’t place a high importance on their own cyber security planning are the ones hit hardest by such an attack.

Can we help you create your response and recovery plan? Call us.