Trojan.Win64.WATCHGO.A
Trojan:Win32/Tiggre!rfn(Microsoft)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan may be dropped by other malware.
TECHNICAL DETAILS
1,744,384 bytes
EXE
UPX
Yes
11 Jun 2019
Drops files
Arrival Details
This Trojan may be dropped by the following malware:
Other Details
This Trojan does the following:
- Changes C&C to http://{BLOCKED}.{BLOCKED}.222.57:8667/6HqJB0SPQqbFbHJD and runs "powershell -windowstyle hidden -nop -enc {base64 code}" to download and execute a new copy of malware from new CNC
- Drops a batch file that executes "powershell -windowstyle hidden -nop -enc {base64 code}" to download and execute an updated copy of the malware
- Runs chcp 437 &schtasks /Query /V /FO CSV > {User Temp}\{14 random characters}.png to check if a scheduled task of the malware is present. If not found, executes "powershell -windowstyle hidden -nop -enc {base64 code}" to download and execute an updated copy of the malware
- Checks if a process named sysupdate.exe is running, if not found, executes "powershell -windowstyle hidden -nop -enc {base64 code}" to download and execute an updated copy of the malware
SOLUTION
9.850
15.166.03
11 Jun 2019
15.167.00
12 Jun 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
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
Identify and terminate files detected as Trojan.Win64.WATCHGO.A
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 4
Scan your computer with your Trend Micro product to delete files detected as Trojan.Win64.WATCHGO.A. 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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