- Threat Encyclopedia
- Malware
- TROJ_UPATRE.YYMV
Troj/DwnLdr-LPP (Sophos) ,Trojan horse Generic10_c.CKBE (AVG) ,W32/Zbot.TAZF!tr (Fortinet) ,W32/Trojan3.IMF (exact) (Fprot) ,Trojan.Crypt (Ikarus) ,Trojan-Spy.Win32.Zbot.tazf (Kaspersky) ,TrojanDownloader:Win32/Upatre (Microsoft) ,Generic.sq (McAfee) ,Win32/TrojanDownloader.Waski.D trojan (Eset) ,Downloader.Upatre (Symantec) ,Trojan.Win32.Generic.pak!cobra (Sunbelt)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Downloaded from the Internet, Dropped by other malware
This malware was used in a spam campaign that uses Dropbox as a social engineering lure in order for users to click the related links.
To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.
This Trojan arrives as an attachment to email messages mass-mailed by other malware/grayware or malicious users.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
It deletes itself after execution.
23,040 bytes
EXE
Yes
14 Jun 2014
Downloads files, Connects to URLs/IPs
Arrival Details
This Trojan arrives as an attachment to email messages mass-mailed by other malware/grayware or malicious users.
Installation
This Trojan drops the following copies of itself into the affected system and executes them:
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
It saves the files it downloads using the following names:
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
Other Details
This Trojan deletes itself after execution.
9.700
10.840.03
04 Jun 2014
10.841.00
04 Jun 2014
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 dropped/downloaded by TROJ_UPATRE.YYMV. (Note: Please skip this step if the threat(s) listed below have already been removed.)
Step 3
Identify and terminate files detected as TROJ_UPATRE.YYMV
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_UPATRE.YYMV. 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: