TROJ_BANLOAD.YWNRN
TrojanDownloader:Win32/Banload.AZB (Microsoft)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet
This Trojan may be unknowingly downloaded by a user while visiting malicious websites.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system. As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
3,351,040 bytes
EXE
Yes
02 Apr 2015
Downloads files
Arrival Details
This Trojan may be unknowingly downloaded by a user while visiting malicious websites.
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- https://segurodown.{BLOCKED}ndado.com/000000000008werfdoier79834/sdlkpofuioefe/2343365wd/dfdf44f43sd/s4545ef33e39i983ur4t94t/spylllplp.zip
ip: {BLOCKED}.{BLOCKED}.111.100
It saves the files it downloads using the following names:
- %Application Data%\modelo.zip
- %Application Data%\adobep.exe
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
As of this writing, the said sites are inaccessible.
Other Details
This Trojan does the following:
- Checks the presence of VirtualBox.
SOLUTION
9.800
12.850.03
21 Oct 2016
12.851.00
22 Oct 2016
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
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 3
Identify and terminate files detected as TROJ_BANLOAD.YWNRN
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 4
Search and delete these files
- %Application Data%\modelo.zip
- %Application Data%\adobep.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_BANLOAD.YWNRN. 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 this Knowledge Base page for more information.
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