How to avod installation of Dridex via C.H. Robinson malspam email?

Also Known As: Dridex malware
Type: Trojan
Distribution: Low
Damage level: Severe

C.H. Robinson email virus removal guide

What is C.H. Robinson email virus?

One of the most popular ways to distribute malware is to send emails that contain malicious attachments or website links. Once opened, malicious attachments (or files downloaded via website links) install malicious software. Typically, cyber criminals behind such emails pretending to be legitimate companies, organizations. Their emails are disguised as important, official, and encourage recipients to check the attachment (or website) as soon as possible. This particular malspam campaign is used to distribute a banking Trojan called Dridex.

C.H. Robinson malspam email

This email is disguised as a letter from C. H. Robinson (a legitimate transport company) regarding adjustments and updates made in invoices that have been sent to a recipient before this email. It says that the adjusted invoices are attached to this email and should be reviewed to process the payment. It also encourages adding the senders' email address as a trusted contact. The C.H. Robinson is a legitimate company that solves logistics problems for companies across the globe. It has nothing to do with this malspam email. As mentioned in the introduction, the file attached to this email ("INV9378971386.xlsm") is used to deliver Dridex banking Trojan. It is known that this malware logs keystrokes/records pressed keys and is used mainly to steal online banking credentials (email addresses, usernames, passwords).

Additionally, Dridex is capable of performing injection attacks to inject malware into the operating system and then execute remote commands or to inject code into a specific program and modify its execution and behavior. Moreover, this malware is difficult to detect: it is capable of evading anti-virus detections. It is also is important to mention that Dridex can be used to steal email, social media, and other accounts as well. In conclusion, users who would have Dridex installed on the operating system could become victims of identity theft, lose access to a number of personal accounts, suffer monetary loss, have problems with browsing safety, online privacy, and other issues. Therefore, it is strongly advisable to avoid opening attachments (or website links) in emails like this one.

Threat Summary:
Name Dridex malware
Threat Type Trojan, password-stealing virus, banking malware, spyware.
Hoax Email from C.H. Robinson transport company
Attachment(s) INV9378971386.xlsm (its name may vary)
Detection Names Avast (SNH:Script [Dropper]), BitDefender (Trojan.GenericKD.45699623), ESET-NOD32 (A Variant Of VBA/TrojanDownloader.Agent.VMK), Kaspersky (HEUR:Trojan-Downloader.MSOffice.Agent.gen), Microsoft (TrojanDownloader:O97M/Dridex.ARJ!MTB), 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 Dridex
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 Malwarebytes.
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To use full-featured product, you have to purchase a license for Malwarebytes. 14 days free trial available.

More examples of malspam campaigns are "Zoho Email Virus", "Cobra Industrial Machines Email Virus" and "DHL Failed Delivery Notification Email Virus". What most emails of this type have in common is that they are crafted to look like important letters from legitimate oragnizations, companies or other entities and contain a malicious attachment or website link. Typically, computers are safe until recipients download and open a malicious file. More examples of malware that can be distributed this way are Agent Tesla, Emotet, Ursnif, LokiBot.

How did C.H. Robinson email virus infect my computer?

The file attached to this email is a malicious Microsoft Excel document named "INV9378971386.xlsm" (its name may vary). It installs Dridex malware after opening it and enabling macros commands (after enabling editing/content). If opened with Microsoft Office that was released prior to the year 2010, then this document would infect computers automatically (Microsoft Office 2010 and newer versions have the "Protected View" mode that prevents malicious documents from automatically infecting computers after opening them). More examples of files that can be attached to malspam emails are Microsoft Word, PDF documents, ZIP, RAR files, JavaScript files, EXE files.

How to avoid installation of malware?

Do not trust irrelevant emails received from unknown, suspicious senders: leave files attached to them or website links in them unopened. Use Microsoft Office 2010 or never version to open documents that were downloaded from the Internet, especially if they were downloaded from questionable sources. Avoid downloading software or files from unofficial pages, free file-hosting websites, Peer-to-Peer networks (like torrent clients, eMule), third party downloaders, etc. Download software from official pages and using direct download links. Also, do not ever use installers for pirated software or unofficial software activation tools. It is not legal to use them and it can lead to installation of malware. Always activate (and update) software properly: with tools of implemented functions provided by official developers. Make sure to have a reputable antivirus or anti-spyware suite installed on a computer and run virus scans regularly. If you've already opened "C.H. Robinson email virus" attachment, we recommend running a scan with Malwarebytes for Windows to automatically eliminate infiltrated malware.

Text presented in the C.H. Robinson malspam email:

Subject: Updated Invoice(s) with Adjustment

There was a rate adjustment for one or more invoices you previously received from C.H. Robinson. The adjusted invoices are attached for your review and payment processing.

If you have any questions about the adjustment, please contact your C.H. Robinson representative for assistance.

Thank you.

Customer Notice: Invoice related inquiries will soon come from CHRobinsonAR@chrobinson.com. Please add us to your trusted contacts.

Centralized Collections

www.chrobinson.com

14701 Charlson Road | Eden Prairie, MN 55347


This email was generated by C.H. Robinson Messaging.

ConversationGuid:ebc07687-3a43-08cb-9e56-a1c2ac72767b##


******************************
This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from your system. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the sender of the e-mail. The sender of the e-mail accepts no liability for any damage caused by any virus transmitted by this email. (IP)
******************************

Malicious attachment distributed via C.H. Robinson malspam campaign:

Malicious attachment distributed through C.H. Robinson malspam campaign

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Malwarebytes is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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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 Malwarebytes 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 Malwarebytes for Windows.

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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 malware activity level today:

Medium threat activity

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

QR Code
Dridex malware QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of Dridex malware on your mobile device.
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