What is f_0004b4?
f_0004b4 is usually located in the 'c:\users\%USERNAME%\appdata\local\google\chrome\user data\default\cache\' folder.
Some of the anti-virus scanners at VirusTotal detected f_0004b4.
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.
VirusTotal report
2 of the 68 anti-virus programs at VirusTotal detected the f_0004b4 file. That's a 3% detection rate.
| Scanner | Detection Name |
|---|---|
| CrowdStrike | win/malicious_confidence_60% (D) |
| Trapmine | malicious.high.ml.score |
Sandbox Report
The following information was gathered by executing the file inside Cuckoo Sandbox.
Summary
ERROR: Failed to execute process.
Generic
[
{
"process_path": "C:\\Windows\\System32\\lsass.exe",
"process_name": "lsass.exe",
"pid": 476,
"summary": {},
"first_seen": 1588020786.328125,
"ppid": 376
}
]Signatures
[
{
"markcount": 1,
"families": [],
"description": "This executable has a PDB path",
"severity": 1,
"marks": [
{
"category": "pdb_path",
"ioc": "d:\\jenkins\\workspace\\A_MB4_MBSetup\\bin\\Win32\\Release\\MBSetup.pdb",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "has_pdb"
},
{
"markcount": 1,
"families": [],
"description": "The file contains an unknown PE resource name possibly indicative of a packer",
"severity": 1,
"marks": [
{
"category": "resource name",
"ioc": "RESOURCEFILE",
"type": "ioc",
"description": null
}
],
"references": [],
"name": "pe_unknown_resource_name"
},
{
"markcount": 125,
"families": [],
"description": "Foreign language identified in PE resource",
"severity": 2,
"marks": [
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
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"type": "generic",
"size": "0x00000530"
},
{
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},
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},
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},
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{
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{
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{
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{
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{
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{
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{
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{
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},
{
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},
{
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},
{
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{
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},
{
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},
{
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},
{
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},
{
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{
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{
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},
{
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},
{
"name": "RT_STRING",
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},
{
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},
{
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{
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},
{
"name": "RT_STRING",
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"filetype": "empty",
"sublanguage": "*unknown*",
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},
{
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"size": "0x00000530"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
"name": "RT_STRING",
"language": "LANG_CHINESE",
"offset": "0x001bbd48",
"filetype": "empty",
"sublanguage": "*unknown*",
"type": "generic",
"size": "0x00000530"
},
{
"name": "RT_STRING",
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"type": "generic",
"size": "0x00000530"
}
],
"references": [],
"name": "origin_langid"
}
]Yara
The Yara rules did not detect anything in the file.
Network
{
"tls": [],
"udp": [
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 826,
"time": 4.130627155303955,
"dport": 5355,
"sport": 53595
},
{
"src": "192.168.56.101",
"dst": "224.0.0.252",
"offset": 1154,
"time": 3.004779100418091,
"dport": 5355,
"sport": 55314
},
{
"src": "192.168.56.101",
"dst": "239.255.255.250",
"offset": 1482,
"time": 4.163861989974976,
"dport": 3702,
"sport": 49152
}
],
"dns_servers": [],
"http": [],
"icmp": [],
"smtp": [],
"tcp": [],
"smtp_ex": [],
"mitm": [],
"hosts": [],
"pcap_sha256": "d0bbf05daac67c8c2ffd3a6e09f922c38a581b3c02b5750c9ef7ac2d660fcaf9",
"dns": [],
"http_ex": [],
"domains": [],
"dead_hosts": [],
"sorted_pcap_sha256": "9e865e73625beffd04f5ed7fa154ec3a541a1bb6bb0753f0acb53c6d931e50f8",
"irc": [],
"https_ex": []
}f_0004b4 removal instructions
The instructions below shows how to remove f_0004b4 with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the f_0004b4 file for removal, restart your computer and scan it again to verify that f_0004b4 has been successfully removed. Here are the removal instructions in more detail:
- Download and install FreeFixer: http://www.freefixer.com/download.html
- Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
- When the scan is finished, locate f_0004b4 in the scan result and tick the checkbox next to the f_0004b4 file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate f_0004b4 in the scan result.
c:\users\%USERNAME%\appdata\local\google\chrome\user data\default\cache\f_0004b4 
- Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the f_0004b4 file.
- Restart your computer.
- Start FreeFixer and scan your computer again. If f_0004b4 still remains in the scan result, proceed with the next step. If f_0004b4 is gone from the scan result you're done.
- If f_0004b4 still remains in the scan result, check its checkbox again in the scan result and click Fix.
- Restart your computer.
- Start FreeFixer and scan your computer again. Verify that f_0004b4 no longer appear in the scan result.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 2f4ba8c91c2eeaeb8c0b04f6e77ff6b1 |
| SHA256 | 0c643b1065416e9b8536b3a6d6e9c809b9b5d6f4600f109b372b8fb04deedc19 |
What will you do with f_0004b4?
To help other users, please let us know what you will do with f_0004b4:
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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