LinkedIn virus versions explained

LinkedIn virus is a cyber threat which spreads via emails posing as legitimate messages from the social platform

LinkedIn virus is the email campaign that targets people all over the world with a fake message from the well-known network. The email poses as a business proposition email, job offer, or any other notification informing about the activity on the social platform. Unfortunately, this email campaign aims to trick users into opening the file attachment because this way, malware can be installed on the machine directly. Then, attackers can access any needed part of the computer and even gather personal information about the victim.

This virus started as a bug in LinkedIn messaging service back in 2017, and right now it is one of many email scams that can lead to the installation of dangerous malware or even lead to privacy issues and identity theft.^[1] Actors learned how to disguise their files to pass as a real email from the service. The malicious code gets hidden in the malicious PowerShell Script and in the registry or added as a commonly found file. Once the PDF or DOC gets clicked and opened malicious installation launches and your PC gets infected.

LinkedIn scam is a sophisticated cyber threat which comes in the form of a fake invitation email. According to the research, the spam email looks exceptionally convincing as its design resembles the legitimate confirmation email by LinkedIn. Unfortunately, this malspam campaign is developed to infiltrate various malicious programs on the targeted computer and gather sensitive data either about a specific person or the company. 

If you have received a message from LinkedIn virus think before you click on it. Experts warn that these fraudulent invitation emails contain malicious links which are designed to redirect you to malware distribution sources. Even though you think that by clicking on Confirm that you know XXX you will be redirected to the LinkedIn Message View page, experts warn you that this is a scam. 

In fact, the innocent-looking button incorporated into LinkedIn virus email might directly trigger an automatic installation of the following cyber threats:

• Trojan horses^[3];
• Keyloggers;
• Spyware;
• Ransomware;
• Etc.

Be aware that “Unsubscribe” and “Learn why we included this” links in this email do just the same! Likewise, by clicking any of these links provided by Linkedin invitation scam you risk exposing information which might personally identify you and lead to identity theft. Note that if the criminals manage to get sensitive data, they can sell it in the underground market and receive illegal profits. 

If you fall for this scam, run a full system scan with updated anti-malware software right away. Keep in mind that any hesitations to remove LinkedIn virus might provide cybercriminals the necessary time to infect your system with more malicious programs or gather essential data.

We recommend using FortectIntego for LinkedIn virus removal. This security software will not only eliminate the malware but also fix virus damage after the infection and even restore needed Windows files from the database. Additional instructions on how to prepare your system for malware elimination listed below the article. 

LinkedIn email scam possible versions

LinkedIn virus can have different purposes since this is not a new threat malicious actors managed to create different campaigns. Email scam campaign delivers various malware, and that depends on the malicious actor who is running the virus.

One message is targeting people and stating about the message from a particular person, poses as a notification from your friend or colleague. Linkedin invitation scam tricks people into clicking the link provided on the email which supposedly redirects you to the message gotten on the social platform. Unfortunately, the link is malicious and can lead to the installation of other malware programs.

Additionally, LinkedIn request scam is especially dangerous if the computer user is working in a large-scale organization. Attackers usually target employees to get into the network system of the firm and generate even more illegal profits. According to the security and social media professor Matthew Warren, employees should be extra vigilant^[4]:

The most effective malware is the passive malware that just sits there and just monitors your activities <…> For particular organisations, it could mean capturing log ins that used on your computer.

LinkedIn request scam shows messages about business offers, job positions or open places for employment. Any active button with “Upload your CV here” or a hyperlink also redirects the victim to a malicious page or even automatically initiates a download of malicious program.

LinkedIn Share – suspicious browser extension

However, there is a malicious browser extension that uses lock-screen function and affects websites with unethical marketing practices that force users to install various in-browser content against their will. The LinkedIn share is a deceptive browser extension that reads and collects different information about the user and even can change the material on the websites you visit.

The browser extension locks the screen and restricts access to various functions. Then the pop-up appears that forces the victim to install shady extensions, tools, or toolbars. It even has the function of changing the homepage and new tab settings or alters startup preferences to run the needed programs on the browser and redirect your inline traffic to ad-supported sites so that the revenue can be generated.

This LinkedIn Share browser hijack redirects to shady pages to make a profit for its publisher since all the visits and website views can be monetized. Free browser attachment even gets promoted as a useful extension that suggests words based on things you type. However, this type of LinkedIn virus behaves intrusively as any PUP:

• delivers pop-up advertisements, banners;
• changes browser settings, appearance;
• redirect online traffic;
• makes PC running slow.

You need to get FortectIntego or SpyHunterCombo Cleaner and run a full system scan so any type of the LinkedIn virus gets eliminated. By cleaning your device entirely you can delete associated files, applications and fix any virus damage.

Email malware distribution techniques 

As we have already mentioned, malware as such is distributed as a fraudulent invitation email or a similar notification. Commonly, hackers employ mailspam campaigns to spread their malicious programs online. Note that fake emails look exceptionally convincing. Likewise, people might fail to identify a scam. 

Luckily our experts have prepared several useful tips to help you identify malicious spam emails:

1. Do not open messages that reside in Junk or Spam inboxes;
2. Avoid opening emails from unknown senders and especially electronic letters from member@linkedin.com or similar emails;
3. If you have any doubts about the legitimacy of the message, contact the company directly for the confirmation of the email;
4. Use a professional antivirus with real-time protection.

Email scam campaigns deliver various files with malicious payloads. The attachment on the mail can be in PDF, xlsx, or doc format. Documents often look safe enough to open, so people get tricked and unknowingly infects their devices with various malware, including one of the most dangerous types of cyber threats like ransomware or trojans.

LinkedIn virus elimination requires professional AV tools

Researchers^[5] note that the malware installed during this email scam might simply reside on the system and stealthily monitor user's activity. Since it can operate in the background without any visible window, people fail to identify the infection. However, if you remember clicking on suspicious email content, you should consider LinkedIn virus removal. 

Our experts recommend employing reliable security tools to remove LinkedIn virus automatically. This way, you can be sure that none of the malware-related components are left on your system. For that, pick FortectIntego, SpyHunterCombo Cleaner, or MalwarebytesMalwarebytes and run a full system scan immediately. 

Also, if you are receiving spam in your email or social networking site, do not hesitate to inform the support center of the sites included. This will help these sites to indicate the scammers more quickly and stop their further activities, so you don't need to worry about LinkedIn virus removal or any other threats.