What is YunShellExt64.dll?
YunShellExt64.dll is part of BaiduYunGuanjia Application according to the YunShellExt64.dll version information.
YunShellExt64.dll's description is "YunShellExt"
YunShellExt64.dll is digitally signed by Beijing Baidu Netcom Science and Technology Co.,Ltd.
YunShellExt64.dll is usually located in the 'E:\sodom\BaiduNetdisk\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about YunShellExt64.dll.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on YunShellExt64.dll:
| Property | Value |
|---|---|
| Product name | BaiduYunGuanjia Application |
| File description | YunShellExt |
| Internal name | YunShellExt.dll |
| Original filename | YunShellExt.dll |
| Legal copyright | Baidu. All rights reserved. |
| Product version | 6.8.9.1 |
| File version | 6.8.9.1 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | BaiduYunGuanjia Application |
| File description | YunShellExt |
| Internal name | YunShellExt.dll |
| Original filename | YunShellExt.dll |
| Legal copyright | Baidu. All rights reserved. |
| Product version | 6.8.9.1 |
| File version | 6.8.9.1 |
Digital signatures [?]
YunShellExt64.dll has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | Beijing Baidu Netcom Science and Technology Co.,Ltd |
| Certificate issuer name | GlobalSign CodeSigning CA - G3 |
| Certificate serial number | 0eb9e70d5f460fe849e872ab |
VirusTotal report
None of the 70 anti-virus programs at VirusTotal detected the YunShellExt64.dll file.
Sandbox Report
The following information was gathered by executing the file inside Cuckoo Sandbox.
Summary
Successfully executed process in sandbox.
Summary
{
"dll_loaded": [
"kernel32",
"api-ms-win-core-localization-l1-2-1",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll",
"api-ms-win-core-fibers-l1-1-1",
"api-ms-win-core-synch-l1-2-0"
],
"file_opened": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"command_line": [
"\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll,DllMain"
],
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll.manifest",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"file_read": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorSystemHeapIsPrivate",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorUseSystemHeap"
]
}Generic
[
{
"process_path": "C:\\Windows\\System32\\rundll32.exe",
"process_name": "rundll32.exe",
"pid": 2968,
"summary": {
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll.manifest",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorSystemHeapIsPrivate",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\OLE\\PageAllocatorUseSystemHeap"
],
"dll_loaded": [
"kernel32",
"api-ms-win-core-localization-l1-2-1",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll",
"api-ms-win-core-fibers-l1-1-1",
"api-ms-win-core-synch-l1-2-0"
]
},
"first_seen": 1581015185.875,
"ppid": 2436
},
{
"process_path": "C:\\Windows\\System32\\lsass.exe",
"process_name": "lsass.exe",
"pid": 476,
"summary": {},
"first_seen": 1581015185.328125,
"ppid": 376
},
{
"process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
"process_name": "rundll32.exe",
"pid": 2436,
"summary": {
"dll_loaded": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"file_opened": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"command_line": [
"\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll,DllMain"
],
"file_exists": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll.manifest",
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"file_read": [
"C:\\Users\\cuck\\AppData\\Local\\Temp\\1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643.bin.dll"
],
"regkey_read": [
"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
]
},
"first_seen": 1581015185.671875,
"ppid": 2736
}
]Signatures
[
{
"markcount": 1,
"families": [],
"description": "This executable has a PDB path",
"severity": 1,
"marks": [
{
"category": "pdb_path",
"ioc": "Q:\\baidu\\netdisk\\pc-yunbrowser\\output\\pdb\\YunShellExt64.pdb",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "has_pdb"
},
{
"markcount": 1,
"families": [],
"description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
"severity": 1,
"marks": [
{
"category": "section",
"ioc": ".gfids",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "pe_features"
},
{
"markcount": 2,
"families": [],
"description": "The file contains an unknown PE resource name possibly indicative of a packer",
"severity": 1,
"marks": [
{
"category": "resource name",
"ioc": "REGISTRY",
"type": "ioc",
"description": null
},
{
"category": "resource name",
"ioc": "TYPELIB",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "pe_unknown_resource_name"
},
{
"markcount": 7,
"families": [],
"description": "Foreign language identified in PE resource",
"severity": 2,
"marks": [
{
"name": "REGISTRY",
"language": "LANG_CHINESE",
"offset": "0x000475a0",
"filetype": "ASCII text, with CRLF line terminators",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000005b3"
},
{
"name": "REGISTRY",
"language": "LANG_CHINESE",
"offset": "0x000475a0",
"filetype": "ASCII text, with CRLF line terminators",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000005b3"
},
{
"name": "TYPELIB",
"language": "LANG_CHINESE",
"offset": "0x00047fd8",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000006cc"
},
{
"name": "RT_ICON",
"language": "LANG_CHINESE",
"offset": "0x00047b58",
"filetype": "GLS_BINARY_LSB_FIRST",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000468"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x000486a8",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000036"
},
{
"name": "RT_GROUP_ICON",
"language": "LANG_CHINESE",
"offset": "0x00047fc0",
"filetype": "MS Windows icon resource - 1 icon, 16x16",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x00000014"
},
{
"name": "RT_VERSION",
"language": "LANG_CHINESE",
"offset": "0x00047260",
"filetype": "data",
"sublanguage": "SUBLANG_CHINESE_SIMPLIFIED",
"type": "generic",
"size": "0x000002c0"
}
],
"references": [],
"name": "origin_langid"
}
]Yara
The Yara rules did not detect anything in the file.
Network
{
"tls": [],
"udp": [
{
"src": "192.168.56.101",
"dst": "192.168.56.255",
"offset": 662,
"time": 6.165964841842651,
"dport": 137,
"sport": 137
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4434,
"time": 6.123431921005249,
"dport": 5355,
"sport": 51001
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 4762,
"time": 4.130481004714966,
"dport": 5355,
"sport": 53595
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5090,
"time": 6.133839845657349,
"dport": 5355,
"sport": 53848
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5418,
"time": 4.631999969482422,
"dport": 5355,
"sport": 54255
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 5746,
"time": 3.005007028579712,
"dport": 5355,
"sport": 55314
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 6074,
"time": 4.660407066345215,
"dport": 1900,
"sport": 1900
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 14756,
"time": 4.165345907211304,
"dport": 3702,
"sport": 49152
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 18948,
"time": 6.19458794593811,
"dport": 1900,
"sport": 53598
}
],
"dns_servers": [],
"http": [],
"icmp": [],
"smtp": [],
"tcp": [],
"smtp_ex": [],
"mitm": [],
"hosts": [],
"pcap_sha256": "8f1b3ad34a04876392d98b2bed3f7891b6b26f08bdcc474a4ae14fffdbed0559",
"dns": [],
"http_ex": [],
"domains": [],
"dead_hosts": [],
"sorted_pcap_sha256": "dfaae0aa3eb7dd4327b34cacfebfcec88ed8c03459b313a8f24c1ad1ec4e8b67",
"irc": [],
"https_ex": []
}Screenshots
Other files also named YunShellExt64.dll
YunShellExt64.dll (138 votes)
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 3aec00c3e7b2ccc83332f06996f07ec1 |
| SHA256 | 1cf863c5e0fc97e53c6b8962d102d9df794ad1a766a3bdf1e6e28bda8d3d7643 |
What will you do with the file?
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Malware or legitimate?
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
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