'WeTransfer' removal guide

What is 'WeTransfer'?

'WeTransfer' is the title of a deceptive email designed to spread the Kryptik trojan. The email might also be used to spread other malicious programs. You are strongly advised against opening this message, and especially the links it contains, since this will trigger installation of the aforementioned malware infection.

Hometown Productions, Inc. Can either take your company logo, pictures of products, and a script to create something from their office for $75, or you can contact them directly to discuss getting a custom video made at your office. Please reach out to Jerry Mayer at Hometown Productions, Inc. At 225-336-1755 for more information on how to get. WeTransfer is the simplest way to send your files around the world. Share large files up to 2GB for free.

WeTransfer Pricing. Starting From: A product’s price can vary greatly based on features needed, support or training required, and customization requests.When you find a product that fits your needs, you should talk to the vendor to figure out what they can offer.

The text presented in the 'WeTransfer' email is brief and simply informs recipients that they have been sent a document concerning the unspecified company's profile and purchase/order details ('Our company profile as requested and Purchase Order.pdf'). The message has few details and does not play on people's emotions (e.g. using scare tactics), however, they risk being tricked into downloading the archived file within the message through confusion or curiosity. Cyber criminals often mention or use legitimate services for their malicious purposes. Both WeTransfer and ownCloud are genuine services (file transfer and hosting respectively), which are abused by the individuals behind this spam campaign. At the time of research, the link in the 'WeTransfer' email opened an ownCloud web page, from which the file containing Kryptik trojan could be downloaded. This is high-risk malware with a wide range of capabilities, including (but not limited to) system and browser modification, control over connected hardware and data exfiltration. To summarize, Kryptik is likely to cause serious privacy issues, significant financial loss and even identity theft. To protect device and user safety, it is crucial to eliminate all malicious programs without delay.

Threat Summary:
Name	WeTransfer email spam virus
Threat Type	Trojan, password-stealing virus, banking malware, spyware.
Hoax	Email claims recipients have been sent company and purchase details as per their request.
Attachment(s)	Download link of 'Our company profile as requested and Purchase Order_PDF.cab' (malicious executable inside)
Detection Names	Avast (Win32:TrojanX-gen [Trj]), Fortinet (MSIL/Kryptik.UGA!tr), ESET-NOD32 (A Variant Of MSIL/Kryptik.UGA), Kaspersky (HEUR:Trojan-Dropper.Win32.Generic), Full List Of Detections (VirusTotal)
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.
Payload	Kryptik
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. ▼ Download Combo Cleaner To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available.

Social engineering and scare tactics are usually employed to further deceptive/scam emails. These messages are typically disguised as 'official', 'important', 'priority', 'urgent' and so on. The subject matter varies drastically: the written content can be well-researched and detailed, or sloppy and hastily put together. Therefore, emails riddled with grammatical errors and spelling mistakes, and other inconsistencies, should call the legitimacy of the message immediately into question. The only purpose of this deceptive email is to generate revenue at users' expense. This is achieved via malware infections, which trick recipients into revealing their personal details (e.g. information relating to identity, banking account or credit card details, etc.) or making monetary transactions (e.g. blackmailing people for existing or nonexistent compromising material, various fake fees or payments, etc.), and via the use of many other scamming techniques. Systems are infected through attachments or links leading to download of the file. 'Your computer hacked!', 'Christmas Party Email', and 'HARASSMENT COMPLAINT' are some examples of emails used to proliferate malware. The Kryptik malicious software is spread through the 'WeTransfer' email spam campaign and shares similarities with Emotet, TrickBot, Adwind and countless other trojans.

How did 'WeTransfer' infect my computer?

Deceptive/Scam mail infects systems via dangerous files, which can be attached to, or linked within, the message. Links are employed for the 'WeTransfer' email. Infectious files come in a variety of formats including archive (CAB, ZIP, RAR, etc.) and executable (.exe, .run, .etc.) files, Microsoft Office and PDF documents, JavaScript and others. When these files are executed, run or otherwise opened, the infection processes is initiated and they begin downloading/installing malware. For example, upon opening, Microsoft Office documents request users to enable macro commands (i.e., to enable editing). Enabling them can trigger an infection, however, in MS Office versions released prior to 2010, macros are enabled automatically once the document is opened.

How to avoid installation of malware

Suspect and/or irrelevant emails should not be opened, especially if received from unknown senders (addresses). Also do not open any attached files or links found in suspicious messages, as they are the potential origin of an infection. You are strongly advised to use Microsoft Office versions released after 2010. The newer releases have 'Protected View' mode, which prevents malicious macros from immediately initiating the infection process when the document is opened. Malicious content is often downloaded from untrusted download channels such as unofficial and free file-hosting websites, Peer-to-Peer sharing networks (BitTorrent, eMule, Gnutella, etc.) and other third party downloaders. Therefore, use only official and verified download sources. Illegal activation ('cracking') tools and third party updaters can also cause infections. Therefore, programs should be activated and updated only with tools/functions provided by legitimate developers. To ensure device integrity and user safety, have reputable anti-virus/anti-spyware software installed and kept up to date. Furthermore, use this software for regular system scans and removal of detected threats/issues. If you have already opened the file downloaded from the website accessed via 'WeTransfer' email, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate infiltrated malware.

Text presented in the 'WeTransfer' email message:

Click 'Download images' to view images
********
sent you some documents PDF
2 item, 768 KB in total ・ Will be deleted on 30 October, 2019
Our company profile as requested and Purchase Order.pdf

Get your files
Download link
hxxps://kingsdoggy.blaucloud.de/index.php/s/*****
2 items
Company profile.pdf
Purchase Order.pdf
700 KB
To make sure our emails arrive, please add noreply@wetransfer.com to your contacts.
About WeTransfer ・ Help ・ Legal ・ Report this transfer as spam

Screenshot of the website opened via a link in the 'WeTransfer' email:

Screenshot of detections on the malware database VirusTotal of 'Our company profile as requested and Purchase Order_PDF.cab' (archived file containing the Kryptik's executable):

Another variant of 'WeTransfer' spam email:

Text presented within this email:

Subject: You have successfully received files Via Wetransfer

files sent to
*****
6 files, 120 MB in total · Will be deleted on&n=sp;0th Feb, 2020
Download files here

2021.08

Wetransfer

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