Trojan.W97M.POWLOAD.TIOIBEHB
VBA/TrojanDownloader.Agent.QEU trojan(NOD32); HEUR:Trojan.MSOffice.SAgent.gen(Kaspersky)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- https://{BLOCKED}chbd-info.com/wp-includes/r70e/
- https://blogadmin.{BLOCKED}as.com/wp-content/out-of-the-box-cache/yD1HEI/
- http://new.{BLOCKED}eticsliteracyproject.org/wp-includes/g9CeZ/
- http://montessori.{BLOCKED}skb.org/l/gc7/
- https://test.{BLOCKED}sunlight.com/wp-admin/avy/
It saves the files it downloads using the following names:
- %User Profile%\255.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).)
Other Details
This Trojan does the following:
- The document contains the following message details luring users to enable macro content:
However, as of this writing, the said sites are inaccessible.
SOLUTION
Step 1
Trend Micro products with the XGen technology detect this malware as
- Downloader.VBA.TRX.XXVBAF01FF00
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 these files
- %User Profile%\255.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.W97M.POWLOAD.TIOIBEHB. 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:
Step 6
Enable the macro virus protection in Microsoft Office Applications
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