14 September 2023

Info Stealer Malware - What You Need to Know and How to Stay Safe

In our digital world, information is valuable, and bad guys are always trying to steal it. One way they do this is by using something called "Info Stealer Malware." This blog will explain what Info Stealer Malware is, how it works, how it sneaks into your stuff, what happens if it gets in, and most importantly, how to stop it from messing up your computer.

Understanding Info Stealer Malware

Info Stealer Malware is like a sneaky computer program that's designed to break into your computer or network. Its main job is to secretly take important information from you. This can be stuff like your private details, bank info, passwords, and more. Once it grabs this info, it sends it to bad people who can use it for all sorts of bad things.

Common Ways Info Stealer Malware Gets In

Info Stealer Malware uses a bunch of tricky ways to get inside your computer. Knowing these tricks is key to stopping it. Here are some common ways it gets in:

  1. Phishing Emails: Cybercriminals send fake emails that look real. They might pretend to be your bank or a big company. Inside these emails, there are bad things like links or files that, when you click on them, put the malware on your computer.
  2. Bad Websites: Sometimes, visiting websites with problems can make your computer sick. You don't even have to click on anything. Just being on these websites can make the malware sneak in.
  3. Fake Software: Be careful where you download software. If you get it from shady websites or use pirated stuff, it might come with Info Stealer Malware hidden inside.
  4. Tricky Tricks: Bad people can use tricky tricks to make you give away your info. They might pretend to be someone you trust or create fake login pages for websites you use.
  5. USB Drives: Even plugging in USB drives can be risky. If the drive has Info Stealer Malware, it can jump onto your computer without you knowing.

What Happens If You Get Hit

Getting hit by Info Stealer Malware is bad news. Here are some things that can happen:

  1. Losing Money: If the malware grabs your financial info, it can steal your money or make unauthorized transactions.
  2. Identity Theft: Info Stealer Malware can lead to identity theft. That means bad people can pretend to be you and do illegal things in your name.
  3. Data Leaks: Companies can also suffer if Info Stealer Malware gets into their systems. They might end up leaking sensitive customer data, leading to lawsuits and a loss of trust from customers.
  4. Ransomware: Sometimes, Info Stealer Malware is part of a bigger attack, like ransomware. It can lock your files and demand money for you to get them back.

How to Protect Yourself

Protecting yourself from Info Stealer Malware takes some effort, but it's worth it. Here's what you can do:

  1. Use Good Antivirus Software: Install trustworthy antivirus and anti-malware software on your computer. Make sure it's always up to date. These tools can spot and remove Info Stealer Malware.
  2. Keep Software Updated: Don't ignore software updates. They often contain fixes for security problems that malware can use. Keep your operating system, apps, and plugins updated.
  3. Watch Out for Emails: Be careful with emails, especially if they look suspicious or are from unknown senders. Don't click on strange links or open strange attachments. Use email filters to block bad stuff.
  4. Strong Passwords: Make strong and unique passwords for all your accounts. Don't use easy-to-guess ones like "password123." Consider using a password manager to help you remember them.
  5. Use Multi-Factor Authentication (MFA): Turn on MFA whenever you can. It's like an extra lock for your accounts and makes it much harder for bad people to get in.
  6. Learn About Cybersecurity: Understand what scams and fake websites look like. Teach your family and friends too. The more you know, the safer you are.
  7. Back Up Your Data: Regularly back up your important stuff to a safe place, like an external hard drive or the cloud. If you ever get hit by Info Stealer Malware, you won't lose your data.

Examples and Evidence:

Example 1: Phishing Emails

  • Evidence: In 2020, the FBI's Internet Crime Complaint Center (IC3) reported a significant increase in phishing attacks. They received over 241,000 complaints related to phishing, with losses exceeding $54 million. Many of these cases involved Info Stealer Malware distributed through malicious email attachments and links. [FBI IC3 Annual Report, 2020]

Example 2: Malicious Websites

  • Evidence: Cybersecurity firm Symantec reported a surge in drive-by download attacks, where malicious code is automatically installed when a user visits a compromised website. In their 2020 Internet Security Threat Report, Symantec identified thousands of such websites hosting Info Stealer Malware. [Symantec 2020 Internet Security Threat Report]

Example 3: Identity Theft

  • Evidence: The Identity Theft Resource Center (ITRC) reported over 1,100 data breaches in 2020, exposing nearly 164 million sensitive records. Many of these breaches involved the theft of personal information, leading to cases of identity theft. Info Stealer Malware plays a role in data breaches that can result in identity theft. [Identity Theft Resource Center Data Breach Report, 2020]

Example 4: Data Breaches

  • Evidence: A notable case of an Info Stealer Malware attack leading to a massive data breach occurred in 2017 when Equifax, one of the largest credit reporting companies, suffered a breach exposing the personal data of approximately 147 million people. The breach resulted from the exploitation of a vulnerability in Equifax's website software by cybercriminals using Info Stealer Malware. [Equifax Data Breach Settlement, 2019]

Example 5: Ransomware

  • Evidence: Ransomware attacks often involve the use of Info Stealer Malware as an initial infection vector. One well-known ransomware strain, Ryuk, frequently deploys Emotet, an Info Stealer Malware, to gain access to victims' systems before encrypting their data and demanding a ransom. This illustrates how Info Stealer Malware can pave the way for more damaging attacks. [Cybereason: The Ryuk Ransomware]

Example 6: Antivirus Software Effectiveness

  • Evidence: In a study conducted by AV-Comparatives, an independent antivirus testing organization, various antivirus software solutions were evaluated for their ability to detect and block Info Stealer Malware. The results showed that leading antivirus products consistently detected and removed Info Stealer Malware variants, highlighting the effectiveness of these tools in defending against such threats. [AV-Comparatives Malware Protection Test, 2021]

Example 7: Multi-Factor Authentication (MFA)

  • Evidence: The National Institute of Standards and Technology (NIST) recommends the use of multi-factor authentication (MFA) to enhance security. They state that MFA significantly reduces the risk of unauthorized access to accounts and systems, making it harder for cybercriminals to compromise accounts, even if they have stolen passwords through Info Stealer Malware. [NIST Special Publication 800-63B]


In the ever-evolving digital landscape, safeguarding your online presence is paramount, and this includes staying informed and vigilant about threats like Info Stealer Malware. At digiALERT, we emphasize the importance of knowledge as the first line of defense against cyber threats. To sum up, Info Stealer Malware is a devious adversary with the intent of pilfering your personal and financial data. Its entry points are diverse, including phishing emails, malicious websites, counterfeit software, social manipulation, and even compromised USB drives. The consequences of an Info Stealer Malware attack are severe and can encompass financial losses, identity theft, data breaches, and potentially even ransomware incidents. To protect yourself effectively, remember the following key steps: use trustworthy antivirus software, keep your software up to date, exercise caution with emails, create robust passwords (consider using a password manager), enable Multi-Factor Authentication (MFA), educate yourself and others on cybersecurity, and regularly back up your essential data. At digiALERT, our commitment is to empower individuals and organizations with the knowledge and tools necessary to defend against cyber threats. By staying informed and putting these preventive measures into practice, you can significantly diminish the risk of falling victim to Info Stealer Malware and other digital hazards. Your digital safety is our utmost priority, and together, we can foster a more secure online environment. Stay alert, stay safe with digiALERT.


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