TrojanSpy.Win32.EMOTET.YJCCH
Trojan:Win32/Emotetcrypt.HH!MTB (MICROSOFT)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan Spy 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 Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan Spy drops the following copies of itself into the affected system:
- If executed with administrator rights:
- %System%\{Random Characters}\{Random Characters}.{3 Random Characters}
- If executed without administrator rights:
- %AppDataLocal%\{Random Characters}\{Random Characters}.{3 Random Characters}
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- If executed with administrator rights:
- %System%\regsvr32.exe /s "%System%\{Random Characters}\{Random Characters}.{3 Random Characters}"
- If executed without administrator rights:
- %System%\regsvr32.exe /s "%AppDataLocal%\{Random Characters}\{Random Characters}.{3 Random Characters}"
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It creates the following folders:
- If executed with administrator rights:
- %System%\{Random Characters}
- If executed without administrator rights:
- %AppDataLocal%\{Random Characters}
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other Details
This Trojan Spy connects to the following possibly malicious URL:
- {BLOCKED}.{BLOCKED}.104.209:8080
- {BLOCKED}.{BLOCKED}.253.60:8080
- {BLOCKED}.{BLOCKED}.239.34:443
- {BLOCKED}.{BLOCKED}.56.116:7080
- {BLOCKED}.{BLOCKED}.115.99:8080
- {BLOCKED}.{BLOCKED}.201.4:443
- {BLOCKED}.{BLOCKED}.255.201:8080
- {BLOCKED}.{BLOCKED}.72.26:8080
- {BLOCKED}.{BLOCKED}.24.231:80
- {BLOCKED}.{BLOCKED}.117.186:8080
- {BLOCKED}.{BLOCKED}.140.238:7080
- {BLOCKED}.{BLOCKED}.40.196:8080
- {BLOCKED}.{BLOCKED}.152.127:8080
- {BLOCKED}.{BLOCKED}.222.11:443
- {BLOCKED}.{BLOCKED}.143.207:443
- {BLOCKED}.{BLOCKED}.42.236:80
- {BLOCKED}.{BLOCKED}.225.142:8080
- {BLOCKED}.{BLOCKED}.17.99:8080
- {BLOCKED}.{BLOCKED}.175.63:43
- {BLOCKED}.{BLOCKED}.98.206:8080
- {BLOCKED}.{BLOCKED}.106.96:8080
- {BLOCKED}.{BLOCKED}.135.203:7080
- {BLOCKED}.{BLOCKED}.98.99:8080
- {BLOCKED}.{BLOCKED}.85.85:80
- {BLOCKED}.{BLOCKED}.133.20:443
- {BLOCKED}.{BLOCKED}.188.93:443
- {BLOCKED}.{BLOCKED}.84.195:8080
- {BLOCKED}.{BLOCKED}.88.10:8080
- {BLOCKED}.{BLOCKED}.158.56:8080
- {BLOCKED}.{BLOCKED}.2.232:8080
- {BLOCKED}.{BLOCKED}.109.124:443
- {BLOCKED}.{BLOCKED}.236.90:443
- {BLOCKED}.{BLOCKED}.114.231:8080
However, as of this writing, the said sites are inaccessible.
SOLUTION
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
- TROJ.Win32.TRX.XXPE50FFF054
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
- %System%\{Random Characters}\{Random Characters}.{3 Random Characters}
- %AppDataLocal%\{Random Characters}\{Random Characters}.{3 Random Characters}
*Note: Read the following Microsoft page if these steps do not work on Windows 7 and Server 2008 (R2).
Step 5
Search and delete these folders
- %System%\{Random Characters}
- %AppDataLocal%\{Random Characters}
Step 6
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.EMOTET.YJCCH. 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:
Did this description help? Tell us how we did.