What is winscomrssrv.dll?

winscomrssrv.dll is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the winscomrssrv.dll version information.

winscomrssrv.dll's description is "winscomrssrv"

winscomrssrv.dll is usually located in the 'C:\WINDOWS\SYSTEM32\' folder.

Some of the anti-virus scanners at VirusTotal detected winscomrssrv.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 winscomrssrv.dll:

PropertyValue
Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionwinscomrssrv
Original filenamewinscomrssrv.dll
Legal copyright© Microsoft Corporation. All rights reserved.
Product version10.0.16299.15
File version10.0.16299.15

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

Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionwinscomrssrv
Original filenamewinscomrssrv.dll
Legal copyright© Microsoft Corporation. All rights..
Product version10.0.16299.15
File version10.0.16299.15

Digital signatures [?]

winscomrssrv.dll is not signed.

VirusTotal report

42 of the 69 anti-virus programs at VirusTotal detected the winscomrssrv.dll file. That's a 61% detection rate.

ScannerDetection Name
Ad-Aware Trojan.GenericKD.31827759
AegisLab Trojan.Win64.Agent.4!c
AhnLab-V3 Malware/Gen.Generic.C3123606
Alibaba Trojan:Application/gdbfl.b76982d5
ALYac Trojan.GenericKD.31827759
Antiy-AVL Trojan[Backdoor]/Win64.Agent
Arcabit Trojan.Generic.D1E5A72F
Avira TR/Agent.gdbfl
BitDefender Trojan.GenericKD.31827759
CAT-QuickHeal Backdoor.Win64
Comodo Malware@#3524c5jpwmc0c
Cylance Unsafe
Cyren W64/Trojan.URPZ-2083
Emsisoft Trojan.GenericKD.31827759 (B)
Endgame malicious (high confidence)
ESET-NOD32 Win64/Agent.NK
F-Secure Trojan.TR/Agent.gdbfl
FireEye Trojan.GenericKD.31827759
Fortinet W64/Agent.NK!tr.bdr
GData Trojan.GenericKD.31827759
Ikarus Trojan.Win64.Agent
K7AntiVirus Trojan ( 0054a8d31 )
K7GW Trojan ( 0054a8d31 )
Kaspersky HEUR:Backdoor.Win64.Agent.gen
MAX malware (ai score=100)
McAfee Artemis!DA2E5915DF30
McAfee-GW-Edition BehavesLike.Win64.Dropper.th
Microsoft Trojan:Win32/Bluteal!rfn
MicroWorld-eScan Trojan.GenericKD.31827759
Panda Trj/CI.A
Qihoo-360 Win32/Backdoor.21f
Rising Backdoor.Agent!8.C5D (TFE:6:ximsGNfsn1R)
Sophos Mal/Generic-S
TrendMicro TROJ_GEN.R002C0DCR19
TrendMicro-HouseCall TROJ_GEN.R002C0DCR19
VBA32 Backdoor.Win64.Agent
VIPRE Trojan.Win32.Generic!BT
ViRobot Trojan.Win32.Z.Agent.1931264.B
Webroot W32.Trojan.Gen
Yandex Trojan.Agent!Xz1QjOLCNaU
Zillya Backdoor.Agent.Win64.389
ZoneAlarm HEUR:Backdoor.Win64.Agent.gen
42 of the 69 anti-virus programs detected the winscomrssrv.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": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
    ],
    "file_opened": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
    ],
    "command_line": [
        "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll,DllMain"
    ],
    "file_exists": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll",
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll.manifest"
    ],
    "file_read": [
        "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\crypt32\\DebugHeapFlags"
    ]
}

Generic

[
    {
        "process_path": "C:\\Windows\\System32\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2968,
        "summary": {
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll.manifest"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\crypt32\\DebugHeapFlags"
            ],
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
            ]
        },
        "first_seen": 1571824386.0156,
        "ppid": 2800
    },
    {
        "process_path": "C:\\Windows\\SysWOW64\\rundll32.exe",
        "process_name": "rundll32.exe",
        "pid": 2800,
        "summary": {
            "dll_loaded": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
            ],
            "file_opened": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
            ],
            "command_line": [
                "\"C:\\Windows\\System32\\rundll32.exe\" C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll,DllMain"
            ],
            "file_exists": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll",
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll.manifest"
            ],
            "file_read": [
                "C:\\Users\\cuck\\AppData\\Local\\Temp\\2a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b.bin.dll"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles"
            ]
        },
        "first_seen": 1571824385.8438,
        "ppid": 2924
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1571824385.5781,
        "ppid": 376
    }
]

Signatures

[]

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": 6.2240869998932,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5442,
            "time": 6.1604189872742,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 5770,
            "time": 4.1683669090271,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6098,
            "time": 6.1676859855652,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6426,
            "time": 4.8087959289551,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 6754,
            "time": 3.0645508766174,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 7082,
            "time": 4.2199530601501,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 17868,
            "time": 4.2202229499817,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 26252,
            "time": 6.2585139274597,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "22408466d4349a1088f12bf4e548c6ce3c9fc8baa8972d5381222e2e89bda81d",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "a4cfa999a9164c52ad1c0f912af4671c3bad192e43fc0b6a86306184d6c7de40",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandboxScreenshot from the sandbox

winscomrssrv.dll removal instructions

The instructions below shows how to remove winscomrssrv.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the winscomrssrv.dll file for removal, restart your computer and scan it again to verify that winscomrssrv.dll 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.
    Screenshot of Start Scan button
  3. When the scan is finished, locate winscomrssrv.dll in the scan result and tick the checkbox next to the winscomrssrv.dll 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 winscomrssrv.dll in the scan result.
    Red arrow point on the unwanted file
    C:\WINDOWS\SYSTEM32\winscomrssrv.dll
  4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the winscomrssrv.dll file.
    Screenshot of Fix button
  5. Restart your computer.
  6. Start FreeFixer and scan your computer again. If winscomrssrv.dll still remains in the scan result, proceed with the next step. If winscomrssrv.dll is gone from the scan result you're done.
  7. If winscomrssrv.dll 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 winscomrssrv.dll no longer appear in the scan result.
Please select the option that best describe your thoughts on the removal instructions given above








Free Questionnaires

Hashes [?]

PropertyValue
MD5da2e5915df30ad2d543b65e09590829e
SHA2562a2adf308ebea5b0cc4b8cff6c706c902965899751a40a3a8dd781b0b549148b

What will you do with the file?

To help other users, please let us know what you will do with the file:



What did other users do?

The poll result listed below shows what users chose to do with the file. 76% have voted for removal. Based on votes from 17 users.

User vote results: There were 13 votes to remove and 4 votes to keep

NOTE: Please do not use this poll as the only source of input to determine what you will do with the file. Only 17 users has voted so far so it does not offer a high degree of confidence.

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.

No comments posted yet.

Leave a reply