Backdoor.Win32.ANDROM.ECVET
Fareit-FPZ!6CDA5F708445 (McAfee); Backdoor.Win32.Androm.tpat (Kaspersky); Mal/FareitVB-X (Sophos); Trojan.Win32.Generic!BT (Sunbelt)
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
1,073,152 bytes
EXE
Yes
16 Jan 2020
Arrival Details
This Backdoor 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 Backdoor creates the following folders:
- %User Profile%\subfolder
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other System Modifications
This Backdoor adds the following registry keys:
HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
{malware file name}\Options
It adds the following registry entries:
HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
{malware file name}\Options
Show Tips at Startup = "PRECARIUcamp"
Dropping Routine
This Backdoor drops the following files:
- %User Profile%\subfolder\filename.vbs
- %User Profile%\subfolder\filename.exe
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
This report is generated via an automated analysis system.
SOLUTION
9.850
Step 1
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 2
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\{malware file name}
- Options
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\{malware file name}\Options
- Show Tips at Startup = "PRECARIUcamp"
Step 4
Search and delete these components
- %User Profile%\subfolder\filename.vbs
- %User Profile%\subfolder\filename.exe
Step 5
Search and delete this folder
- %User Profile%\subfolder
Step 6
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Win32.ANDROM.ECVET. 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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