Prevent getting scammed by On This Day I Hacked Your OS email

Also Known As: possible malware infections
Distribution: Low
Damage level: Medium

"On this day I hacked your OS" removal guide

What is "On this day I hacked your OS"?

"On this day I hacked your OS" is an email scam. It uses a scam/blackmail tactic called "sextortion"), which extorts money from users via threats to expose evidence of their sexual activity. This scam claims to have audio and visual content obtained via the device's camera and microphone. It informs users that this evidence will be sent to all of their contacts, unless a certain sum in transferred to the account of cyber criminals behind "On this day I hacked your OS". Users should note that all these claims are false and no such compromising material exists. Emails of this type should be ignored.

On this day I hacked your OS spam campaign

The email titled "Security alert! Review the sign-in details." states that users' OS (Operating System) has been hacked and now their email accounts are under full control of cyber criminals. They claim to have access to users' address book, browsing history, file inventory, contacts' email addresses and numbers. Furthermore, users are told that they have been under observation for several months. That was possible due to an infection from a compromised adult-site, which they've visited. Supposedly, the virus gave the criminals full access and control of the device, including webcam and microphone. The anti-virus was unable to detect this infection, as the malware uses a driver and its signature is updated every four hours. Through this alleged hacking, video/audio and screen recordings were made of users "satisfying" themselves. The cyber criminals demand 771 USD to be transferred to their Bitcoin cryptowallet, else this humiliating material will be sent to all of the users' contacts. If the payment is not made in 48 hours, a video consisting of the users' pleasuring themselves and the content they watched while doing so - will be sent to their contacts. Users are promised that once the transaction is complete - the video will be deleted and they will not be disturbed by these individuals again. The 48 hour countdown starts from the moment the email is opened. The letter informs users' that filing some sort of complaint will not aid them, as this email and Bitcoin addresses cannot be traced. The message ends with a warning, telling users not to share this email with anyone as that will result in the immediately distribution of the compromising video. As mentioned, "On this day I hacked your OS" is a scam and none of the alleged content exists. Additionally, the cyber criminals behind this blackmail have not infected the system; therefore, no evidence of the users' sexual activity could have been acquired and the device's integrity has not been compromised. It is highly recommended to never trust and simply ignore all emails similar to "On this day I hacked your OS".

Threat Summary:
Name "On this day I hac­ked your OS" email spam campaign
Threat Type Phishing, Scam, Social Engineering, Fraud
Fake Claim Cyber criminals claim to have infected the device with malware, which allowed them to record compromising audio/video. They threaten to share this content with victim's contacts, unless a payment is made within the given time.
Cyber Criminal Cryptowallet Address 1Q2pVgd9YradB42risptr8tsydKrVDSD2A (Bitcoin)
Ransom Size $771 in Bitcoin
Symptoms Unauthorized online purchases, changed online account passwords, identity theft, illegal access of the computer.
Distribution methods Deceptive emails, rogue online pop-up ads, search engine poisoning techniques, misspelled domains.
Damage Loss of sensitive private information, monetary loss, identity theft.
Removal

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Scam emails are distributed using massive scale spam campaigns. Various tactics can be employed, not just "sextortion"; they range from various "import" alerts to "prize" announcements. "Hacker Who Has Access To Your Operating System", "Your Device Was Infected With My Private Malware", "WannaCry Hacker Group" are a few examples of scams similar to "On this day I hacked your OS". Typically, such scam involve threats to distribute compromising videos/screenshots of the victim, unless a ransom is paid. Cyber criminals prefer these payments to be made in digital currencies (e.g. cryptocurrencies, pre-paid vouchers, etc.), as transactions of them are difficult/impossible to trace. However, the purposes if this mail can differ. They can be used to spread ransomware and other types of malware.

How do spam campaigns infect computers?

Infections via spam campaigns are caused by opening attached files, found within deceptive mail. These emails are often marked as "official", "important", "urgent" or similarly highlighted as priority mail. The infectious attachments come in a variety of formats, such as archive (ZIP, RAR) and executable (.exe, .run) files, Microsoft Office and PDF documents, JavaScript, etc. When these files are run, executed or otherwise opened they begin downloading/installing malicious software. For example, MS Office documents request users to enable macro commands (to enable editing) - if allowed, they are triggered to infect systems.

How to avoid installation of malware?

It is recommended not to read suspicious/irrelevant emails, especially ones received from unknown senders. Attachments found in such mail must never be opened, as these files are the source of a potential infection. It is advised to use Microsoft Office versions released after year 2010; as they have a "Protected View" mode that prevents virulent documents from downloading/installing malware. Users are urged to download only from official and verified sources. P2P sharing networks (BitTorrent, eMule, Gnutella, etc.), free file-hosting websites, third party downloaders and similar channels are considered to be untrustworthy, therefore advised against use. Unreliable download sources are more likely to offer deceptive and/or regular content bundled with malicious software. Programs should be activated and updated using functions/tools provided by genuine developers; illegal activation tools ("cracks") and third party updaters are considered to be high-risk. It is strongly encouraged to have a dependable anti-virus/anti-spyware suite installed and kept up-to-date. This software is to be used to perform regular system scans and for the removal of detected threats. If you've already opened malicious attachments, we recommend running a scan with Spyhunter for Windows to automatically eliminate infiltrated malware.

Text presented in the "On this day I hacked your OS" email letter:

Hello.

09/08/2019 - on this day I hacked your OS and got full access to your account ************

You can check it - I sent this message from your account.

After that, I made a full dump of your disk (I have all your address book, history of viewing sites, all files, phone numbers and addresses of all your contacts).

This means that I have full access to your device and accounts. I've been watching you for a few months now.
The fact is that you were infected with malware through an adult site that you visited. If you are not familiar with this, I will explain.
Virus gives me full access and control your devices.
This means that I can see everything on your screen, turn on the camera and microphone, but you do not know about it.
I also have access to all your contacts and all your correspondence.
Why your antivirus did not detect malware? answer: My malware uses the driver, I update its signatures every 4 hours so that your antivirus is silent.
I made a video showing how you satisfy yourself in the left half of the screen, and in the right half you see the video that you watched.

With one click of the mouse, I can send this video to all your emails and contacts.
If you want to prevent this, transfer the amount of $771 to my bitcoin address
(if you do not know how to do this, write to Google: "Buy Bitcoin").
My bitcoin address (BTC Wallet) is: 1Q2pVgd9YradB42risptr8tsydKrVDSD2A

After receiving the payment, I will delete the video and you will never hear me again. I give you 48 hours to pay.
I have a notice reading this letter, and the timer will work when you see this letter.
Filing a complaint somewhere does not make sense because this email cannot be tracked like my bitcoin address.
I do not make any mistakes.

If I find that you have shared this message with someone else, the video will be immediately distributed.

Instant automatic removal of possible malware infections: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Spyhunter is a professional automatic malware removal tool that is recommended to get rid of possible malware infections. Download it by clicking the button below:
▼ DOWNLOAD Spyhunter By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

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How to remove malware manually?

Manual malware removal is a complicated task - usually it is best to allow antivirus or anti-malware programs to do this automatically. To remove this malware we recommend using Spyhunter for Windows. If you wish to remove malware manually, the first step is to identify the name of the malware that you are trying to remove. Here is an example of a suspicious program running on a user's computer:

malicious process running on user's computer sample

If you checked the list of programs running on your computer, for example, using task manager, and identified a program that looks suspicious, you should continue with these steps:

manual malware removal step 1Download a program called Autoruns. This program shows auto-start applications, Registry, and file system locations:

screenshot of autoruns application

manual malware removal step 2Restart your computer into Safe Mode:

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

 

manual malware removal step 3Extract the downloaded archive and run the Autoruns.exe file.

extract autoruns.zip and run autoruns.exe

manual malware removal step 4In the Autoruns application, click "Options" at the top and uncheck "Hide Empty Locations" and "Hide Windows Entries" options. After this procedure, click the "Refresh" icon.

Click 'Options' at the top and uncheck 'Hide Empty Locations' and 'Hide Windows Entries' options

manual malware removal step 5Check the list provided by the Autoruns application and locate the malware file that you want to eliminate.

You should write down its full path and name. Note that some malware hides process names under legitimate Windows process names. At this stage, it is very important to avoid removing system files. After you locate the suspicious program you wish to remove, right click your mouse over its name and choose "Delete".

locate the malware file you want to remove

After removing the malware through the Autoruns application (this ensures that the malware will not run automatically on the next system startup), you should search for the malware name on your computer. Be sure to enable hidden files and folders before proceeding. If you find the filename of the malware, be sure to remove it.

searching for malware file on your computer

Reboot your computer in normal mode. Following these steps should remove any malware from your computer. Note that manual threat removal requires advanced computer skills. If you do not have these skills, leave malware removal to antivirus and anti-malware programs. These steps might not work with advanced malware infections. As always it is best to prevent infection than try to remove malware later. To keep your computer safe, install the latest operating system updates and use antivirus software.

To be sure your computer is free of malware infections, we recommend scanning it with Spyhunter for Windows.

About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global virus and spyware activity level today:

Medium threat activity
Medium

Increased attack rate of infections detected within the last 24 hours.

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