Arrival Details
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This spyware adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
opera.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
navigator.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
safari.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
chrome.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
userinit.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
wiyuwieetq
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
opera.exe
Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
navigator.exe
Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
safari.exe
Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
chrome.exe
Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Image File Execution Options\
userinit.exe
Debugger = "mxwqp.exe"
Dropping Routine
This spyware drops the following files:
Other Details
This spyware connects to the following possibly malicious URL:
- http://{BLOCKED}xi.cn/nob/arr.76?rnd=-1156698047
- http://{BLOCKED}xi.cn/nob/arr.76?rnd=1549583370
- http://{BLOCKED}xi.cn/nob/arr.76?rnd=-1857025564
- http://{BLOCKED}xi.cn/nob/arr.76?rnd=-186421436
- http://{BLOCKED}xi.cn/nob/arr.76?rnd=703525406
- http://{BLOCKED}xi.cn/nob/arr.76?rnd=1658221275
It deletes itself after execution.
This report is generated via an automated analysis system.
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Delete this registry key
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Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
To delete the registry key this malware/grayware created:
- Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
- In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Image File Execution Options - Still in the left panel, locate and delete the key:
opera.exe - Again Still in the left panel, locate and delete the key:
navigator.exe - Again Still in the left panel, locate and delete the key:
safari.exe - Again Still in the left panel, locate and delete the key:
chrome.exe - Again Still in the left panel, locate and delete the key:
userinit.exe - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Internet Settings - Still in the left panel, locate and delete the key:
wiyuwieetq - Close Registry Editor.
Step 3
Delete this registry value
[ Learn More ]
[ back ]
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\opera.exe
- Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navigator.exe
- Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safari.exe
- Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\chrome.exe
- Debugger = "%Program Files%\Internet Explorer\iexplore.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\userinit.exe
To delete the registry value this malware/grayware created:
- Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
- In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Image File Execution Options>opera.exe - In the right panel, locate and delete the entry:
Debugger = "%Program Files%\Internet Explorer\iexplore.exe" - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Image File Execution Options>navigator.exe - In the right panel, locate and delete the entry:
Debugger = "%Program Files%\Internet Explorer\iexplore.exe" - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Image File Execution Options>safari.exe - In the right panel, locate and delete the entry:
Debugger = "%Program Files%\Internet Explorer\iexplore.exe" - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Image File Execution Options>chrome.exe - In the right panel, locate and delete the entry:
Debugger = "%Program Files%\Internet Explorer\iexplore.exe" - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Image File Execution Options>userinit.exe - In the right panel, locate and delete the entry:
Debugger = "mxwqp.exe" - Close Registry Editor.
Step 4
Search and delete this file
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There may be some component 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.
To delete the malware/grayware/spyware file:
- Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
- In the Named input box, type:
- In the Look In drop-down list, select My Computer, then press Enter.
- Once located, select the file then press SHIFT+DELETE to permanently delete the file.
Step 5
Scan your computer with your Trend Micro product to delete files detected as TSPY_ZBOT.WZP. 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 this Knowledge Base page for more information.
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