This coinminer has file infecting capabilities.
This File infector arrives via removable drives. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It prepends its codes to target files.
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
Arrival Details
This File infector arrives via removable drives.
It 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 File infector drops the following copies of itself into the affected system:
- %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
Autostart Technique
This File infector adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
Run = %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
ZhuDongFangYu = %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
Other System Modifications
This File infector adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
System
EnableLUA = 0
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
Disableregistrytools = 1
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced\Folder\Hidden\
SHOWALL
CheckedValue = 0
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoFolderOptions = 1
It deletes the following registry keys:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\SafeBoot\Minimal
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\SafeBoot\Network
File Infection
This File infector infects the following file types:
It prepends its codes to target files.
Propagation
This File infector drops the following copy of itself in all physical and removable drives:
- {Drive Letter}:\RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
The said .INF file contains the following strings:
[autorun]
open=RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
shellexecute=RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
shell\Auto\command=RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
shell\open=RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
shell\open\Command=RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
HOSTS File Modification
This File infector overwrites the system's HOSTS files to prevent users from accessing the following websites:
- {BLOCKED}.{BLOCKED}.51.17
- {BLOCKED}0.{BLOCKED}o.com
- {BLOCKED}.{BLOCKED}.236.92
- {BLOCKED}.{BLOCKED}.176.251
- {BLOCKED}s.{BLOCKED}p.com
- {BLOCKED}l.{BLOCKED}in.com
- {BLOCKED}in.com
- {BLOCKED}sky.com.cn
- {BLOCKED}o.com
- {BLOCKED}g.com.cn
- {BLOCKED}u.{BLOCKED}a.net
- {BLOCKED}l.{BLOCKED}a.com
- {BLOCKED}n.{BLOCKED}ft.com
- {BLOCKED}otal.com
- www.{BLOCKED}0.cn
- www.{BLOCKED}e.cn
- www.{BLOCKED}e.com
- www.{BLOCKED}v.com
- www.{BLOCKED}2.cn
- www.{BLOCKED}b.com
- www.{BLOCKED}a.net
- www.{BLOCKED}t.com.cn
- www.{BLOCKED}in.com
- www.{BLOCKED}sky.com
- www.{BLOCKED}sky.com.cn
- www.{BLOCKED}o.org
- www.{BLOCKED}2.com
- www.{BLOCKED}lub.com
- www.{BLOCKED}o.cn
- www.{BLOCKED}o.com
- www.{BLOCKED}g.com.cn
- www.{BLOCKED}otal.com
Other Details
This File infector does the following:
- It deletes the following file types:
- It modifies the following file types by appending a malicious script capable of coin mining:
- Its malicious script may contain the following:
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 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 PE_XIAOBAMINER.SM
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- 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.
To terminate the malware/grayware/spyware process:
- Scan your computer with your Trend Micro product and take note of the name of the malware/grayware/spyware detected.
- Open Windows Task Manager. To do this, press CTRL+SHIFT+ESC.
- View the list of all running programs. To do this:
• For Windows 2000, XP, Server 2003, Vista, 7 and Server 2008 users, click the Processes tab.
• For Windows 8, 8.1 and Server 2012 users, click the Details tab. - In the list of running programs, locate a malware/grayware/spyware file detected earlier.
- Select the detected files, then press either the End Task or the End Process button, depending on the version of Windows you are using.
- Do the same for the remaining detected malware/grayware/spyware files in the list of running programs.
- To check if the malware/grayware/spyware process has been terminated, close Task Manager, and then open it again.
- Close Task Manager.
Step 4
Delete this registry value
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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\CurrentVersion\Policies\System
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer
- Run = %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- ZhuDongFangYu = %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
To delete the registry value this malware/grayware created:
- Open Registry Editor.
» For Windows 2000, Windows XP, and Windows Server 2003 users, click Start>Run, type regedit in the text box provided, and then press Enter.
» For Windows Vista, Windows 7, and Windows Server 2008 users, click the Start button, type regedit in the Search input field then press Enter.
» For Windows 8, Windows 8.1, and Windows Server 2012 users, right-click on the lower-left corner of the screen, click Run, type regedit in the text box provided, and then press Enter. - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Policies>System - In the right panel, locate and delete the entry:
EnableLUA = 0 - In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>System - In the right panel, locate and delete the entry:
Disableregistrytools = 1 - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer>Advanced>Folder>Hidden>SHOWALL - In the right panel, locate and delete the entry:
CheckedValue = 0 - In the left panel, double-click the following:
HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>Explorer - In the right panel, locate and delete the entry:
NoFolderOptions = 1 - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Policies>Explorer - In the right panel, locate and delete the entry:
Run = %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe - In the left panel, double-click the following:
HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run - In the right panel, locate and delete the entry:
ZhuDongFangYu = %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe - Close Registry Editor.
Step 5
Restore these deleted registry keys/values from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot\Network
Step 6
Remove these strings added by the malware/grayware/spyware in the HOSTS file
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- 127.0.0.0 360.qihoo.com
- 127.0.0.1 qihoo.com
- 127.0.0.1 www.qihoo.com
- 127.0.0.1 www.qihoo.cn
- 127.0.0.1 124.40.51.17
- 127.0.0.1 58.17.236.92
- 127.0.0.1 www.kaspersky.com
- 127.0.0.1 60.210.176.251
- 127.0.0.1 www.cnnod32.cn
- 127.0.0.1 www.lanniao.org
- 127.0.0.1 www.nod32club.com
- 127.0.0.1 www.dswlab.com
- 127.0.0.1 bbs.sucop.com
- 127.0.0.1 www.virustotal.com
- 127.0.0.1 tool.ikaka.com
- 127.0.0.1 www.jiangmin.com
- 127.0.0.1 www.duba.net
- 127.0.0.1 www.eset.com.cn
- 127.0.0.1 www.nod32.com
- 127.0.0.1 shadu.duba.net
- 127.0.0.1 union.kingsoft.com
- 127.0.0.1 www.kaspersky.com.cn
- 127.0.0.1 kaspersky.com.cn
- 127.0.0.1 virustotal.com
- 127.0.0.1 www.360.cn
- 127.0.0.1 www.360safe.cn
- 127.0.0.1 www.360safe.com
- 127.0.0.1 www.chinakv.com
- 127.0.0.1 www.rising.com.cn
- 127.0.0.1 rising.com.cn
- 127.0.0.1 dl.jiangmin.com
- 127.0.0.1 jiangmin.com
To edit the HOSTS file:
- Open the following file using a text editor such as Notepad:
%System%\drivers\etc\HOSTS
(Note: %System% is the Windows system folder, which is usually C:\WINNT\System32 on Windows 2000, and C:\Windows\System32 on Windows XP and later.) - Delete the following entry/ies:
- 127.0.0.0 360.qihoo.com
- 127.0.0.1 qihoo.com
- 127.0.0.1 www.qihoo.com
- 127.0.0.1 www.qihoo.cn
- 127.0.0.1 124.40.51.17
- 127.0.0.1 58.17.236.92
- 127.0.0.1 www.kaspersky.com
- 127.0.0.1 60.210.176.251
- 127.0.0.1 www.cnnod32.cn
- 127.0.0.1 www.lanniao.org
- 127.0.0.1 www.nod32club.com
- 127.0.0.1 www.dswlab.com
- 127.0.0.1 bbs.sucop.com
- 127.0.0.1 www.virustotal.com
- 127.0.0.1 tool.ikaka.com
- 127.0.0.1 www.jiangmin.com
- 127.0.0.1 www.duba.net
- 127.0.0.1 www.eset.com.cn
- 127.0.0.1 www.nod32.com
- 127.0.0.1 shadu.duba.net
- 127.0.0.1 union.kingsoft.com
- 127.0.0.1 www.kaspersky.com.cn
- 127.0.0.1 kaspersky.com.cn
- 127.0.0.1 virustotal.com
- 127.0.0.1 www.360.cn
- 127.0.0.1 www.360safe.cn
- 127.0.0.1 www.360safe.com
- 127.0.0.1 www.chinakv.com
- 127.0.0.1 www.rising.com.cn
- 127.0.0.1 rising.com.cn
- 127.0.0.1 dl.jiangmin.com
- 127.0.0.1 jiangmin.com
- Save the file and close the text editor.
Step 7
Search and delete these files
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There may be some 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.
- %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
- {Drive Letter}:\RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
To delete malware/grayware files:
For Windows 2000, Windows XP, and Windows Server 2003:
- Right-click Start then click Search....
- In the File name* input box, type
- %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
- {Drive Letter}:\RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
- In the Look In drop-down list, select My Computer then press Enter.
- Once located, select the file then press SHIFT+DELETE to delete it.
- Repeat the said steps for all files listed.
*Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).
For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
- Open a Windows Explorer window.
- For Windows Vista, 7, and Server 2008 users, click Start>Computer.
- For Windows 8, 8.1, and Server 2012 users, right-click on the lower left corner of the screen, then click File Explorer.
- In the Search Computer/This PC input box, type:
- %Windows%\360\360Safe\deepscan\ZhuDongFangYu.exe
- {Drive Letter}:\RECYCLER\S-5-4-62-7581032776-5377505530-562822366-6588\ZhuDongFangYu.exe
- Once located, select the file then press SHIFT+DELETE to delete it.
- Repeat the said steps for all files listed.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.
Step 8
Scan your computer with your Trend Micro product to delete files detected as PE_XIAOBAMINER.SM. 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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