What is 26337.rbf?

26337.rbf is part of Slimware Uninstall Stub and developed by Slimware Utilities Holdings, Inc. according to the 26337.rbf version information.

26337.rbf's description is "Slimware Uninstall Stub"

26337.rbf is digitally signed by Slimware Utilities Holdings, Inc..

26337.rbf is usually located in the 'c:\Config.Msi\' folder.

Some of the anti-virus scanners at VirusTotal detected 26337.rbf.

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 70 anti-virus programs at VirusTotal detected the 26337.rbf file. That's a 3% detection rate.

Scanner	Detection Name
DrWeb	Program.Unwanted.2505
VBA32	SigAdware.SlimwareUtilitiesHoldingsInc

Sandbox Report

The following information was gathered by executing the file inside Cuckoo Sandbox.

Summary

Successfully executed process in sandbox.

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\d4587df5bc165b3cc83efe6fadc66f84db90d5348794446868130a8ed60abed3.bin",
        "process_name": "d4587df5bc165b3cc83efe6fadc66f84db90d5348794446868130a8ed60abed3.bin",
        "pid": 2420,
        "summary": {},
        "first_seen": 1572958385.6094,
        "ppid": 1268
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1572958385.3438,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 1,
        "families": [],
        "description": "Checks if process is being debugged by a debugger",
        "severity": 1,
        "marks": [
            {
                "call": {
                    "category": "system",
                    "status": 0,
                    "stacktrace": [],
                    "last_error": 0,
                    "nt_status": -1073741515,
                    "api": "IsDebuggerPresent",
                    "return_value": 0,
                    "arguments": {},
                    "time": 1572958385.6874,
                    "tid": 2460,
                    "flags": {}
                },
                "pid": 2420,
                "type": "call",
                "cid": 37
            }
        ],
        "references": [],
        "name": "checks_debugger"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "This executable has a PDB path",
        "severity": 1,
        "marks": [
            {
                "category": "pdb_path",
                "ioc": "C:\\Dev\\app-uninstall-stub\\bin\\Release\\UninstallStub.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": "192.168.56.255",
            "offset": 662,
            "time": 6.2153038978577,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2350,
            "time": 6.1479768753052,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 2678,
            "time": 4.1577098369598,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3006,
            "time": 6.1551678180695,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3334,
            "time": 4.6549508571625,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 3662,
            "time": 3.0464398860931,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 3990,
            "time": 4.215411901474,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 9368,
            "time": 4.1804819107056,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 13560,
            "time": 6.2616629600525,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "bc3195e6eae71f75f6653334c1633d2bf6564e891ece9ed507af4447a555df49",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "b01497afc489463bdc9452fd175543565889373f69259d93b50d97a36310f3c4",
    "irc": [],
    "https_ex": []
}

Screenshots

26337.rbf removal instructions

The instructions below shows how to remove 26337.rbf with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the 26337.rbf file for removal, restart your computer and scan it again to verify that 26337.rbf has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate 26337.rbf in the scan result and tick the checkbox next to the 26337.rbf 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 26337.rbf in the scan result.

   

   

   c:\Config.Msi\26337.rbf

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the 26337.rbf file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If 26337.rbf still remains in the scan result, proceed with the next step. If 26337.rbf is gone from the scan result you're done.
7. If 26337.rbf still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that 26337.rbf no longer appear in the scan result.

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