Do not trust fake "Por Este Medio Notifico La Presente Demanda" emails
Written by Tomas Meskauskas on
What kind of email is "Por Este Medio Notifico La Presente Demanda"?
After inspecting the "Por Este Medio Notifico La Presente Demanda" email, we determined that it is malspam. It is presented as a last-opportunity notice concerning an impending lawsuit.
This spam mail aims to deceive recipients into accessing a malicious website and downloading a virulent file intended to infect their devices with the Grandoreiro banking trojan.
"Por Este Medio Notifico La Presente Demanda" email virus overview
According to a rough translation from Spanish, the spam email with the subject "Notificacion Demanda Primeira Instancia" (may vary) is presented as a notice of an impending lawsuit.
The letter details the lodged criminal complaint (e.g., filing date and number, process type, etc.). The notice alerts that this is the recipient's last opportunity to resolve the matter in an extrajudicial setting; failing to do so promptly will initiate the judicial process.
It must be stressed that all the information provided in this email is false, and this mail is not associated with any legitimate judicial bodies or other entities.
The letter contains a link, supposedly leading to "DETALLES DE LA DEMANDA PENAL208271595.pdf" – the criminal complaint document. Following this link opens a webpage that claims to host a PDF file. Instead, the downloaded file is a ZIP archive containing the executable for the Grandoreiro banking trojan.
To summarize, by trusting an email like "Por Este Medio Notifico La Presente Demanda" – users can experience system infections, severe privacy issues, financial losses, and even identity theft.
If you believe that your device has already been infected – immediately perform a complete system scan with an anti-virus and eliminate all detected threats.
| Name | "Por Este Medio Notifico La Presente Demanda" malspam |
| Threat Type | Malspam, spam, trojan, password-stealing virus, banking malware, spyware. |
| Fake Claim | Last-opportunity notice concerning a lawsuit. |
| Detection Names (malicious file) | Bkav Pro (W32.AIDetectMalware), Google (Detected), Ikarus (Trojan-Spy.Win32.Grandoreiro), Rising (Malware.SwollenFile!1.E38A (CLASSIC)), Full List Of Detections (VirusTotal) |
| Payload | Grandoreiro |
| Symptoms | Trojans are designed to stealthily infiltrate the victim's computer and remain silent, and thus no particular symptoms are clearly visible on an infected machine. |
| Distribution methods | Infected email attachments, malicious online advertisements, social engineering, software 'cracks'. |
| Damage | Stolen passwords and banking information, identity theft, the victim's computer added to a botnet. |
| Malware Removal (Windows) | To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
Malspam campaign examples
"Products We Want To Purchase", "Interpol email virus", "Messages In Soundbox", "Quotation Request", and "Confirm Hotel Bank Account" are merely some of our latest articles on malspam.
Spam emails distribute a wide variety of malware, including (but not limited to) trojans, ransomware, and cryptocurrency miners. These letters are also used to facilitate various scams.
Recipients' trust is gained using false claims. While these emails can be poorly constructed and full of spelling/grammatical errors, they can also be competently crafted and even believably disguised as messages from genuine entities (e.g., authorities, service providers, organizations, companies, etc.).
Due to how prevalent spam mail is and how well-made it can be – we highly recommend exercising caution with incoming emails, PMs/DMs, SMSes, and other messages.
How do spam campaigns infect computers?
Spam campaigns proliferate malware by distributing malicious files as attachments or download links (i.e., leading to malignant sites that can stealthily download/install programs or trick visitors into doing so themselves).
Infectious files come in various formats, e.g., archives (ZIP, RAR, etc.), executables (.exe, .run, etc.), documents (PDF, Microsoft Office, Microsoft OneNote, etc.), JavaScript, and so on.
Depending on the file format, it can be enough to open a virulent file for it to initiate the system infection chain. However, other formats may need additional user interaction. For example, Microsoft Office files require users to enable macro commands (i.e., editing/content), while OneNote documents need them to click on embedded links or files.
How to avoid installation of malware?
It is crucial to approach incoming emails and other messages with care. Attachments or links present in suspicious/irrelevant mail must not be opened, as they can be harmful or infectious.
However, malware is not spread exclusively via spam mail. Therefore, we also advise vigilance while browsing, as fraudulent and malicious online content usually appears legitimate and innocuous.
Another recommendation is to download only from official and trustworthy sources. Additionally, all programs must be activated and updated using genuine functions/tools, as illegal activation tools ("cracks") and third-party updates can contain malware.
It is essential for device integrity and user safety to have a reputable anti-virus installed and kept up-to-date. Security software must be used to perform regular system scans and to remove threats and issues. If you've already opened malicious attachments, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate infiltrated malware.
Text presented in the "Por Este Medio Notifico La Presente Demanda" spam email letter:
Subject: Notificacion Demanda Primeira Instancia
Estimado/a:
-
Por Este Medio Notifico La Presente Demanda
DETALLE DE NOTIFICACIÓN
Tipo de Proceso Acción de Demanda - Impuganacion
Radicación 18 de abril de 2024
Fecha de Reparto 27 de mayo de 2024
Accionada Demanda de Mínima Cuantía
Providencia Notificacion Demanda Primeira Instancia
Fecha de Emisión 13 de junio de 2024
Anexos Copia de la Demanda - CCB208271595A
No. de Expediente GAD94120/24
Expediente Extra o RFC 208271595
Descripción Secretaría de Administración y Finanzas
Archivo DETALLES DE LA DEMANDA PENAL208271595.pdf
Atentamente,
Secretario
Lic. Miguel Gonzalez
Esta e su ultima oportunidade para solucionar la mima en una etapa extrajudicial y de esta forma
evitar afrontar un proceso judicial con las consecuencias mencionadas anteriormente.
Screenshot of the malicious website promoted via this spam campaign:
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Quick menu:
- What is "Por Este Medio Notifico La Presente Demanda" malspam?
- 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?
Spam emails are not personal, even if they include details relevant to the recipients. Any such information is most commonly acquired by scouring publicly available sources or through phishing scams. Cyber criminals distribute these emails in massive operations – hence, thousands of users receive identical (or incredibly similar) messages.
I have read a spam email but didn't open any websites or files, is my computer infected?
Devices are infected when malicious attachments or links are opened/clicked; merely reading an email is harmless.
I have downloaded and opened a file promoted by a spam email, is my computer infected?
Whether your device was infected might depend on the format of the opened file. It most likely was if the file was an executable (.exe, .run, etc.). However, other formats – like documents (.doc, .xls, .one, .pdf, etc.) – might need extra actions to jumpstart malware download/installation processes (e.g., enabling macro commands, clicking embedded content, etc.).
Will Combo Cleaner remove malware infections proliferated by spam emails?
Yes, Combo Cleaner can detect and eliminate nearly all known malware infections. It must be stressed that high-end malicious software typically hides deep within systems – therefore, performing a full system scan is paramount.
Outstanding!
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