What kind of scam is "Virus Found In Your Mailbox"

What kind of email is "Virus Found In Your Mailbox"?

After inspecting this email, we determined that it is a phishing scam. The message is disguised as a security notification claiming that a virus was detected in the recipient's mailbox. The scammers behind it seek to trick recipients into entering their email account password on a fake login page. This email should be ignored to avoid account hijacking and identity theft.

More about the "Virus Found In Your Mailbox" email

The email arrives with the subject "1 Virus found in your mailbox | User: [recipient address]" and is presented as a brief security alert from the recipient's email provider. It claims that a single virus was detected in the user's inbox and urges them to click a CLEAN YOUR EMAIL HERE button. The message also warns that failing to clean the inbox will result in restricted account features.

The button leads to a fraudulent webpage that identifies the recipient's email service provider from the address used in the link and then mimics its login page. For example, recipients with a Gmail address are shown a fake Gmail login that asks them to type their email password to continue. Users of other providers such as Yahoo, Outlook, or webmail platforms see a similarly themed page.

Anything typed into this fake login form is sent directly to the scammers. With access to email credentials, criminals can hijack the account, read private correspondence, reset passwords for linked services (banking, social media, cloud storage), and use the address to send further phishing or scam emails to the victim's contacts. Stolen mailboxes are often resold on cybercrime forums.

In short, this is a typical credential-phishing campaign that abuses the names of well-known email providers and, in some cases, the recipient's own workplace IT department. Regardless of the name displayed on the message, legitimate email services and IT teams do not send virus alerts that demand password entry. The companies whose branding is abused have no connection to the campaign.

Conclusion

In conclusion, the "Virus Found In Your Mailbox" email is a phishing scam disguised as a routine virus alert. It aims to steal email account credentials through a fraudulent login page that adapts to the recipient's email service. Recipients should ignore the message and avoid clicking any links or entering any details to protect themselves from account hijacking and identity theft. Sometimes, scams like this are also used to deliver malware.

More examples of similar scam emails are Update Your Hardware Wallet, Mailbox Policy Update, and Email Delivery Failure Notification.

How do spam campaigns infect computers?

Threat actors frequently distribute malware through email by attaching infected files. These can be executables, Microsoft Office documents, PDFs, ZIP or RAR archives, JavaScript files, and many other formats. Opening one of these files, or in some cases enabling additional features like malicious macro commands inside a document, is what triggers the actual infection chain.

Other emails do not include attachments at all and rely on malicious links instead. Clicking such a link can lead to a drive-by download or to a page that tries to convince the user to manually download and run a harmful program. In nearly every case, infection requires the user to interact with the attachment or the link in some way.

How to avoid installation of malware?

Be cautious with unexpected emails, especially ones that come from unknown senders or that pressure you into clicking a link, opening an attachment, or entering account credentials. When in doubt about a notification from a service you use, open the service directly in a browser instead of using the link in the email.

Download software and updates only from official sources - the developer's website or a trusted app store. Avoid pirated programs, cracking tools, and key generators, since these are commonly bundled with malware. Keep your operating system and installed applications up to date so known vulnerabilities are patched.

Use reputable antivirus software and run periodic scans. Do not allow suspicious websites to display browser notifications, and ignore prompts asking you to log in to verify your account after clicking an emailed link. If you have already opened malicious attachments, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate infiltrated malware.

Text presented in the "Virus Found In Your Mailbox" email letter:

Subject: 1 Virus found in your mailbox | User: ********

******** eMail Security
1 Virus found in your mailbox | User: ********
[CLEAN YOUR EMAIL HERE >>>]
If you fail to clean your email, your account features will be restricted.
******** 2026

A fake email login page used in this scam (the page adapts to whichever email service the recipient uses - the Gmail variant is shown here):

Instant automatic malware removal:

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Quick menu:

• What is Virus Found In Your Mailbox phishing scam?
• Types of malicious emails.
• How to spot a malicious email?
• What to do if you fell for an email scam?

Types of malicious emails:

Phishing Emails

Most commonly, cybercriminals use deceptive emails to trick Internet users into giving away their sensitive private information, for example, login information for various online services, email accounts, or online banking information.

Such attacks are called phishing. In a phishing attack, cybercriminals usually send an email message with some popular service logo (for example, Microsoft, DHL, Amazon, Netflix), create urgency (wrong shipping address, expired password, etc.), and place a link which they hope their potential victims will click on.

After clicking the link presented in such email message, victims are redirected to a fake website that looks identical or extremely similar to the original one. Victims are then asked to enter their password, credit card details, or some other information that gets stolen by cybercriminals.

Emails with Malicious Attachments

Another popular attack vector is email spam with malicious attachments that infect users' computers with malware. Malicious attachments usually carry trojans that are capable of stealing passwords, banking information, and other sensitive information.

In such attacks, cybercriminals' main goal is to trick their potential victims into opening an infected email attachment. To achieve this goal, email messages usually talk about recently received invoices, faxes, or voice messages.

If a potential victim falls for the lure and opens the attachment, their computers get infected, and cybercriminals can collect a lot of sensitive information.

While it's a more complicated method to steal personal information (spam filters and antivirus programs usually detect such attempts), if successful, cybercriminals can get a much wider array of data and can collect information for a long period of time.

Sextortion Emails

This is a type of phishing. In this case, users receive an email claiming that a cybercriminal could access the webcam of the potential victim and has a video recording of one's masturbation.

To get rid of the video, victims are asked to pay a ransom (usually using Bitcoin or another cryptocurrency). Nevertheless, all of these claims are false - users who receive such emails should ignore and delete them.

How to spot a malicious email?

While cyber criminals try to make their lure emails look trustworthy, here are some things that you should look for when trying to spot a phishing email:

• Check the sender's ("from") email address: Hover your mouse over the "from" address and check if it's legitimate. For example, if you received an email from Microsoft, be sure to check if the email address is @microsoft.com and not something suspicious like @m1crosoft.com, @microsfot.com, @account-security-noreply.com, etc.
• Check for generic greetings: If the greeting in the email is "Dear user", "Dear @youremail.com", "Dear valued customer", this should raise suspiciousness. Most commonly, companies call you by your name. Lack of this information could signal a phishing attempt.
• Check the links in the email: Hover your mouse over the link presented in the email, if the link that appears seems suspicious, don't click it. For example, if you received an email from Microsoft and the link in the email shows that it will go to firebasestorage.googleapis.com/v0... you shouldn't trust it. It's best not to click any links in the emails but to visit the company website that sent you the email in the first place.
• Don't blindly trust email attachments: Most commonly, legitimate companies will ask you to log in to their website and to view any documents there; if you received an email with an attachment, it's a good idea to scan it with an antivirus application. Infected email attachments are a common attack vector used by cybercriminals.

To minimise the risk of opening phishing and malicious emails we recommend using Combo Cleaner Antivirus for Windows. 

Example of a spam email:

What to do if you fell for an email scam?

• If you clicked on a link in a phishing email and entered your password - be sure to change your password as soon as possible. Usually, cybercriminals collect stolen credentials and then sell them to other groups that use them for malicious purposes. If you change your password in a timely manner, there's a chance that criminals won't have enough time to do any damage.
• If you entered your credit card information - contact your bank as soon as possible and explain the situation. There's a good chance that you will need to cancel your compromised credit card and get a new one.
• If you see any signs of identity theft - you should immediately contact the Federal Trade Commission. This institution will collect information about your situation and create a personal recovery plan.
• If you opened a malicious attachment - your computer is probably infected, you should scan it with a reputable antivirus application. For this purpose, we recommend using  Combo Cleaner Antivirus for Windows.
• Help other Internet users - report phishing emails to Anti-Phishing Working Group, FBI’s Internet Crime Complaint Center, National Fraud Information Center and U.S. Department of Justice.

Frequently Asked Questions (FAQ)

Why did I receive this email?

Cybercriminals send these phishing emails in large batches to addresses collected from data leaks, fake registration forms, and similar sources. The messages are not targeted at any specific recipient, so receiving one does not mean you have been singled out.

I have provided my personal information when tricked by this email, what should I do?

Change your email account password immediately, and update the password on any other account that used the same login details. If you also typed in payment or identity information, contact your bank, card issuer, or the relevant authority without delay.

I have downloaded and opened a malicious file attached to an email, is my computer infected?

It depends on the file type. Executables tend to launch malicious code as soon as they are run, while documents and archives usually require an additional step - enabling macros, extracting an internal file, or running an installer - before any malware activates.

I have read the email but did not open the attachment, is my computer infected?

Simply reading or viewing the email does not infect your device. Infection requires interaction with the content, such as opening an attachment, clicking a malicious link and running what is downloaded, or entering credentials on a phishing page.

Will Combo Cleaner remove malware infections that were present in email attachment?

Combo Cleaner is capable of detecting and removing the majority of known malware infections. However, advanced threats often hide deep inside the system, so running a full system scan is essential for thorough detection and cleanup.