Analysis by: John Donnie Celestre
ALIASES:

Trojan.Downloader.JUMU (BitDefender); Trojan:XML/Obvcnf (Microsoft)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • 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.

  TECHNICAL DETAILS

File Size: 95,487 bytes
File Type: DOC
Memory Resident: No
Initial Samples Received Date: 21 Nov 2018

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 saves the files it downloads using the following names:

  • %Temp%\IcC.exe

(Note: %Temp% is the Windows temporary folder, where it usually is C:\Windows\Temp on all Windows operating system versions.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://d{BLOCKED}.com/9DGBT6zPX
  • http://snb.pi{BLOCKED}nts.com/wp-content/uploads/v0JmCi0
  • http://s{BLOCKED}v.ru/RfLKANkpo
  • http://t{BLOCKED}t.com/cfDeOfgj
  • http://c-{BLOCKED}.com.au/3Jk2mm4

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.638.06
FIRST VSAPI PATTERN DATE: 20 Nov 2018
VSAPI OPR PATTERN File: 14.639.00
VSAPI OPR PATTERN Date: 21 Nov 2018

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

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  
  • %Temp%\IcC.exe

Step 4

Scan your computer with your Trend Micro product to delete files detected as Trojan.W97M.POWLOAD.FGAICN. 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 5

Enable the macro virus protection in Microsoft Office Applications

[ Learn More ]


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