TrojanSpy.Win32.VIDAR.CFI
Ransom:Win32/Sodinokibi.AD!MTB (MICROSOFT)
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It gathers certain information on the affected computer.
It connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
343,042 bytes
Unknown
No
Steals information, Terminates processes, Drops files, Downloads files, Deletes files
Arrival Details
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan Spy drops the following files:
- where gathered information is archived before exfiltrated:
- %ProgramData%\{Random numbers}\_{Random numbers}.zip
- where gathered information is stored:
- %ProgramData%\{Random numbers}\outlook.txt → Deleted Afterwards
- %ProgramData%\{Random numbers}\passwords.txt → Deleted Afterwards
- %ProgramData%\{Random numbers}\screenshot.jpg → Deleted Afterwards
- %ProgramData%\{Random numbers}\system.txt → Deleted Afterwards
- %ProgramData%\{Random numbers}\temp → Deleted Afterwards
- %ProgramData%\{Random numbers}\autofill\{stolen information} → Deleted Afterwards
- %ProgramData%\{Random numbers}\cc\{stolen information} → Deleted Afterwards
- %ProgramData%\{Random numbers}\cookies\{stolen information} → Deleted Afterwards
- %ProgramData%\{Random numbers}\crypto\{Cryptocurrency name}\{stolen wallet information} → Deleted Afterwards
(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)
It adds the following processes:
- "%System%\rundll32.exe" "%System%\wininet.dll", DispatchAPIcall 1
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It creates the following folders:
- where stolen information is stored:
- %ProgramData%\{random numbers} → Deleted after exfiltration
- %ProgramData%\{random numbers}\autofill → Deleted after exfiltration
- %ProgramData%\{random numbers}\cc → Deleted after exfiltration
- %ProgramData%\{random numbers}\cookies → Deleted after exfiltration
- %ProgramData%\{random numbers}\crypto → Deleted after exfiltration
(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)
Other System Modifications
This Trojan Spy deletes the following files:
- %ProgramData%\freebl3.dll
- %ProgramData%\mozglue.dll
- %ProgramData%\msvcp140.dll
- %ProgramData%\nss3.dll
- %ProgramData%\softokn3.dll
- %ProgramData%\sqlite3.dll
- %ProgramData%\vcruntime140.dll
(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)
Process Termination
This Trojan Spy terminates the following malware-related processes:
- /c taskkill /pid {Process ID} & erase {MalwarePath}\{Malware Name} & RD /S /Q %ProgramData%\{Random numbers}\* & exit
(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)
Download Routine
This Trojan Spy connects to the following URL(s) to download its configuration file:
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/main.php
It connects to the following URL(s) to download its component file(s):
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/freebl3.dll
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/mozglue.dll
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/msvcp140.dll
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/nss3.dll
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/softokn3.dll
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/sqlite3.dll
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz/vcruntime40.dll
Information Theft
This Trojan Spy gathers the following information on the affected computer:
- Browser data (e.g. cookies, credentials, autofills, credit card data)
- Google Chrome
- Chromium
- Kometa
- Amigo
- Torch
- Orbitum
- Comodo Dragon
- Nichrome
- Maxthon5
- Sputnik
- EPB
- Vivaldi
- CocCoc Browser
- Uran Browser
- QIP Surf
- Cent
- Elements Browser
- TorBro
- Microsoft Edge
- CryptoTab
- Brave
- Opera
- Mozilla Firefox
- Pale Moon
- Waterfox
- Cyberfox
- BlackHawk
- IceCat
- KMeleon
- Thunderbird
- Email credentials:
- Outlook
- Cryptocurrency Wallet data
- Anoncoin
- BBQCoin
- Bitcoin
- DashCore
- devcoin
- digitalcoin
- ElectronCash
- Electrum
- Electrum-LTC
- Ethereum
- Exodus
- Florincoin
- Franko
- Freicoin
- GoldCoinGLD
- Infinitecoin
- IOCoin
- Ixcoin
- jaxx
- Litecoin
- Megacoin
- Mincoin
- MultiDoge
- Namecoin
- Primecoin
- Terracoin
- YACoin
- Zcash
- System Information
- OS Version and Architecture
- Username
- Computer name
- System Language
- Machine ID
- GUID
- Domain Name
- Workgroup
- Keyboard Languages
- Hardware Information
- Processor
- # of Logical Processors
- Videocard
- Display resolution
- RAM
- If laptop or desktop
- Local time & zone
- Network Information
- IP Address
- Country
- Installed software & version
- Screenshot of user's desktop
Other Details
This Trojan Spy connects to the following website to send and receive information:
- http://{BLOCKED}3g7u3EO07WT42n7f4vIn5fZH.biz
It does the following:
- It terminates itself if any of the user default language identifiers is found:
- Kazakh (Kazakhstan)
- Russian (Russia)
- Ukrainian (Ukraine)
- Belarusian (Belarus)
- Uzbek - Latin (Uzbekistan)
- Azeri - Cyrillic (Azerbaijan)
However, as of this writing, the said sites are inaccessible.
It terminates itself if any of the following computer name(s) are found in the affected system:
- HAL9TH If true, checks if username is
- JohnDoe
It does not exploit any vulnerability.
SOLUTION
9.800
18.568.05
13 Jul 2023
18.569.00
14 Jul 2023
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
-
Troj.Win32.TRX.XXPE50FFF069
Step 2
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 3
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 4
Search and delete this file
- %ProgramData%\{Random numbers}\_{Random numbers}.zip
- %ProgramData%\freebl3.dll
- %ProgramData%\mozglue.dll
- %ProgramData%\msvcp140.dll
- %ProgramData%\nss3.dll
- %ProgramData%\softokn3.dll
- %ProgramData%\sqlite3.dll
- %ProgramData%\vcruntime140.dll
- %ProgramData%\{Random numbers}\outlook.txt
- %ProgramData%\{Random numbers}\passwords.txt
- %ProgramData%\{Random numbers}\screenshot.jpg
- %ProgramData%\{Random numbers}\system.txt
- %ProgramData%\{Random numbers}\temp
- %ProgramData%\{Random numbers}\autofill\{stolen information}
- %ProgramData%\{Random numbers}\cc\{stolen information}
- %ProgramData%\{Random numbers}\cookies\{stolen information}
- %ProgramData%\{Random numbers}\crypto\{Cryptocurrency name}\{stolen wallet information}
Step 5
Search and delete these folders
- %ProgramData%\{Random numbers}
- %ProgramData%\{Random numbers}\cc
- %ProgramData%\{Random numbers}\autofill
- %ProgramData%\{Random numbers}\cookies
- %ProgramData%\{Random numbers}\crypto
Step 6
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.VIDAR.CFI. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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