What is aswBoot.exe?

aswBoot.exe is part of Avast Antivirus and developed by AVAST Software according to the aswBoot.exe version information.

aswBoot.exe's description is "Avast Antivirus start-up scanner"

aswBoot.exe is digitally signed by AVAST Software s.r.o..

aswBoot.exe is usually located in the 'C:\WINDOWS\system32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about aswBoot.exe.

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 aswBoot.exe:

PropertyValue
Product nameAvast Antivirus
Company nameAVAST Software
File descriptionAvast Antivirus start-up scanner
Internal nameaswBoot
Original filenameaswBoot.exe
Legal copyrightCopyright (c) 2019 AVAST Software
Product version19.8.4793.0
File version19.8.4793.0

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameAvast Antivirus
Company nameAVAST Software
File descriptionAvast Antivirus start-up scanner
Internal nameaswBoot
Original filenameaswBoot.exe
Legal copyrightCopyright (c) 2019 AVAST Software
Product version19.8.4793.0
File version19.8.4793.0

Digital signatures [?]

aswBoot.exe has a valid digital signature.

PropertyValue
Signer nameAVAST Software s.r.o.
Certificate issuer nameDigiCert SHA2 Assured ID Code Signing CA
Certificate serial number01e93999f3871d1091dc1e8d58b8d405

VirusTotal report

None of the 71 anti-virus programs at VirusTotal detected the aswBoot.exe file.

None of the 71 anti-virus programs detected the aswBoot.exe file.

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": 1577757185.328125,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "D:\\BUILD\\work\\00\\9f900bb44422fce3\\BUILDS\\Release\\x64\\aswBootLdr.pdb",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "has_pdb"
    }
]

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": 866,
            "time": 1.0530381202697754,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1194,
            "time": 1.5666961669921875,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 1522,
            "time": -0.09893393516540527,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 1850,
            "time": 1.562723159790039,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 2942,
            "time": 1.0738720893859863,
            "dport": 3702,
            "sport": 49152
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "da4ebd81d101e3e590e06ec7f6910cb1ed4f8f58ebb4d0305edc1835b5b86238",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "abbca62ab9712fe0bee509cb4591410d4798975cda0a071107d5b7b3706bcb0c",
    "irc": [],
    "https_ex": []
}

Other files also named aswBoot.exe

aswBoot.exe (36 votes)

Hashes [?]

PropertyValue
MD542fe37b90a47609b7a362660bca5f3c4
SHA256d39275b708c961f25c6f30bd3f1db1992b4612d4fe1f2f37ce2438e783077b19

Error Messages

These are some of the error messages that can appear related to aswboot.exe:

aswboot.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

aswboot.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Avast Antivirus start-up scanner has stopped working.

End Program - aswboot.exe. This program is not responding.

aswboot.exe is not a valid Win32 application.

aswboot.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with aswBoot.exe?

To help other users, please let us know what you will do with aswBoot.exe:



Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


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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.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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