Trojan.INF.DOWNAD.MJV
W32.Downadup!autorun (Symantec); Win32.Worm.DownadupINF.Gen (BitDefender); Worm.Win32.AutoRun.gxk (Kaspersky)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware
This Trojan may be dropped by other malware.
It automatically executes files when a user opens a drive. This is the Trend Micro detection for files that exhibit certain behaviors.
TECHNICAL DETAILS
56,572 bytes
INF
No
02 Jan 2009
Arrival Details
This Trojan may be dropped by the following malware:
Propagation
The said .INF file contains the following strings:
{Multiple lines of garbage}
[AUTorUN]
AcTION =フォルダを開いてファイルを表示する
icon =%syStEmrOot%\sySTEM32\sHELL32.Dll,4
shelLExECUte=RuNdLl32.EXE .\RECYCLER\S-5-3-42-2819952290-8240758988-879315005-3665\jwgkvsq.vmx,ahaezedrn
useAuTopLAY= 1
{Multiple lines of garbage}
Other Details
This Trojan automatically executes the following files when a user opens a drive:
- .\RECYCLER\S-5-3-42-2819952290-8240758988-879315005-3665\jwgkvsq.vmx
This is the Trend Micro detection for:
- AUTORUN.INF files that are dropped by WORM_DOWNAD variants
SOLUTION
9.850
14.874.02
16 Mar 2019
14.875.00
17 Mar 2019
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
Remove the malware/grayware file that dropped/downloaded Trojan.INF.DOWNAD.MJV. (Note: Please skip this step if the threat(s) listed below have already been removed.)
- WORM_DOWNAD.MJV
Step 3
Search and delete AUTORUN.INF files created by Trojan.INF.DOWNAD.MJV that contain these strings
- {Multiple lines of garbage}
- [AUTorUN]
- AcTION =フォルダを開いてファイルを表示する
- icon =%syStEmrOot%\sySTEM32\sHELL32.Dll,4
- shelLExECUte=RuNdLl32.EXE .\RECYCLER\S-5-3-42-2819952290-8240758988-879315005-3665\jwgkvsq.vmx,ahaezedrn
- useAuTopLAY= 1
- {Multiple lines of garbage}
Step 4
Scan your computer with your Trend Micro product to delete files detected as Trojan.INF.DOWNAD.MJV. 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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