What is prosper.exe?

prosper.exe is usually located in the 'c:\downloads\' folder.

Some of the anti-virus scanners at VirusTotal detected prosper.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 [?]

prosper.exe does not have any version or vendor information.

Digital signatures [?]

prosper.exe is not signed.

VirusTotal report

53 of the 72 anti-virus programs at VirusTotal detected the prosper.exe file. That's a 74% detection rate.

ScannerDetection Name
Acronis suspicious
Ad-Aware Trojan.Injector.Delf.AH
AegisLab Trojan.Win32.NanoBot.4!c
AhnLab-V3 Win-Trojan/Delphiless.Exp
Alibaba Backdoor:Win32/Injector.c9c73452
Antiy-AVL Trojan/Win32.Fuerboos
APEX Malicious
Arcabit Trojan.Injector.Delf.AH
Avast Win32:Trojan-gen
AVG Win32:Trojan-gen
Avira TR/Kryptik.bdaiv
BitDefender Trojan.Injector.Delf.AH
CAT-QuickHeal Trojan.Fuerboos
Comodo Malware@#2gqow6kcg1jgu
CrowdStrike win/malicious_confidence_90% (W)
Cybereason malicious.ebae11
Cylance Unsafe
Cyren W32/Trojan.PPBM-8258
DrWeb Trojan.PWS.Stealer.24943
Emsisoft Trojan.Injector.Delf.AH (B)
Endgame malicious (high confidence)
ESET-NOD32 a variant of Win32/Injector.EFPG
F-Prot W32/Injector.HWY
FireEye Generic.mg.b6dbec1530c0daa3
Fortinet W32/GenKryptik.DINO!tr
GData Trojan.Injector.Delf.AH
Ikarus Trojan.Inject
Invincea heuristic
K7AntiVirus Riskware ( 0040eff71 )
K7GW Riskware ( 0040eff71 )
Kaspersky HEUR:Backdoor.Win32.NanoBot.gen
Malwarebytes Trojan.MalPack.DLF
McAfee GenericRXHJ-KK!B6DBEC1530C0
McAfee-GW-Edition BehavesLike.Win32.Fareit.jh
Microsoft Trojan:Win32/Tiggre!plock
MicroWorld-eScan Trojan.Injector.Delf.AH
NANO-Antivirus Trojan.Win32.Stealer.fqmcsh
Paloalto generic.ml
Panda Trj/Genetic.gen
Qihoo-360 Win32/Backdoor.BO.fce
Rising Trojan.Injector!1.AFE3 (CLOUD)
Sophos Mal/Fareit-Q
Symantec Trojan.Gen.MBT
Tencent Win32.Backdoor.Nanobot.Phqh
Trapmine malicious.high.ml.score
TrendMicro TrojanSpy.Win32.LOKI.SMAD.hp
TrendMicro-HouseCall TrojanSpy.Win32.LOKI.SMAD.hp
VBA32 TScope.Trojan.Delf
VIPRE Trojan.Win32.Generic!BT
ViRobot Trojan.Win32.Z.Highconfidence.616960
Yandex Trojan.Injector!vwHn2rom+HA
Zillya Backdoor.NanoBot.Win32.4
ZoneAlarm HEUR:Backdoor.Win32.NanoBot.gen
53 of the 72 anti-virus programs detected the prosper.exe file.

Sandbox Report

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

Summary

Successfully executed process in sandbox.

Summary

{
    "regkey_opened": [
        "HKEY_CURRENT_USER\\Software\\Borland\\Delphi\\Locales",
        "HKEY_LOCAL_MACHINE\\Software\\Borland\\Locales",
        "HKEY_CURRENT_USER\\Software\\Borland\\Locales"
    ],
    "regkey_read": [
        "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
        "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
    ],
    "dll_loaded": [
        "dwmapi.dll",
        "advapi32",
        "user32",
        "shell32"
    ]
}

Generic

[
    {
        "process_path": "C:\\Users\\cuck\\AppData\\Local\\Temp\\5a1a0bdeb929b1196d95ee9e3054a3eea221b8dc00ebc871623158c0d6fa9e7f.bin",
        "process_name": "5a1a0bdeb929b1196d95ee9e3054a3eea221b8dc00ebc871623158c0d6fa9e7f.bin",
        "pid": 2816,
        "summary": {
            "regkey_opened": [
                "HKEY_CURRENT_USER\\Software\\Borland\\Delphi\\Locales",
                "HKEY_LOCAL_MACHINE\\Software\\Borland\\Locales",
                "HKEY_CURRENT_USER\\Software\\Borland\\Locales"
            ],
            "regkey_read": [
                "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\GRE_Initialize\\DisableMetaFiles",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\CustomLocale\\en-US",
                "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\Nls\\ExtendedLocale\\en-US"
            ],
            "dll_loaded": [
                "dwmapi.dll",
                "advapi32",
                "user32",
                "shell32"
            ]
        },
        "first_seen": 1564746784.6719,
        "ppid": 2016
    },
    {
        "process_path": "C:\\Windows\\System32\\lsass.exe",
        "process_name": "lsass.exe",
        "pid": 476,
        "summary": {},
        "first_seen": 1564746784.3281,
        "ppid": 376
    }
]

Signatures

[
    {
        "markcount": 3,
        "families": [],
        "description": "The executable contains unknown PE section names indicative of a packer (could be a false positive)",
        "severity": 1,
        "marks": [
            {
                "category": "section",
                "ioc": "CODE",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "DATA",
                "type": "ioc",
                "description": null
            },
            {
                "category": "section",
                "ioc": "BSS",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "pe_features"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "The executable uses a known packer",
        "severity": 1,
        "marks": [
            {
                "category": "packer",
                "ioc": "BobSoft Mini Delphi -> BoB \/ BobSoft",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "peid_packer"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "Allocates read-write-execute memory (usually to unpack itself)",
        "severity": 2,
        "marks": [
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2816,
                        "region_size": 4096,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 4096,
                        "base_address": "0x003f0000"
                    },
                    "time": 1564746784.8439,
                    "tid": 2420,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT"
                    }
                },
                "pid": 2816,
                "type": "call",
                "cid": 175
            },
            {
                "call": {
                    "category": "process",
                    "status": 1,
                    "stacktrace": [],
                    "api": "NtAllocateVirtualMemory",
                    "return_value": 0,
                    "arguments": {
                        "process_identifier": 2816,
                        "region_size": 4096,
                        "stack_dep_bypass": 0,
                        "stack_pivoted": 0,
                        "heap_dep_bypass": 0,
                        "protection": 64,
                        "process_handle": "0xffffffff",
                        "allocation_type": 12288,
                        "base_address": "0x004d0000"
                    },
                    "time": 1564746798.5629,
                    "tid": 2420,
                    "flags": {
                        "protection": "PAGE_EXECUTE_READWRITE",
                        "allocation_type": "MEM_COMMIT|MEM_RESERVE"
                    }
                },
                "pid": 2816,
                "type": "call",
                "cid": 17569
            }
        ],
        "references": [],
        "name": "allocates_rwx"
    },
    {
        "markcount": 2,
        "families": [],
        "description": "The binary likely contains encrypted or compressed data indicative of a packer",
        "severity": 2,
        "marks": [
            {
                "entropy": 7.0797873671988,
                "section": {
                    "size_of_data": "0x00026a00",
                    "virtual_address": "0x00076000",
                    "entropy": 7.0797873671988,
                    "name": ".rsrc",
                    "virtual_size": "0x00026988"
                },
                "type": "generic",
                "description": "A section with a high entropy has been found"
            },
            {
                "entropy": 0.2568578553616,
                "type": "generic",
                "description": "Overall entropy of this PE file is high"
            }
        ],
        "references": [
            "http:\/\/www.forensickb.com\/2013\/03\/file-entropy-explained.html",
            "http:\/\/virii.es\/U\/Using%20Entropy%20Analysis%20to%20Find%20Encrypted%20and%20Packed%20Malware.pdf"
        ],
        "name": "packer_entropy"
    },
    {
        "markcount": 1,
        "families": [],
        "description": "Expresses interest in specific running processes",
        "severity": 2,
        "marks": [
            {
                "category": "process",
                "ioc": "5a1a0bdeb929b1196d95ee9e3054a3eea221b8dc00ebc871623158c0d6fa9e7f.bin",
                "type": "ioc",
                "description": null
            }
        ],
        "references": [],
        "name": "process_interest"
    }
]

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": 6.2153990268707,
            "dport": 137,
            "sport": 137
        },
        {
            "src": "192.168.56.101",
            "dst": "192.168.56.255",
            "offset": 5342,
            "time": 12.215354919434,
            "dport": 138,
            "sport": 138
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7186,
            "time": 6.1686999797821,
            "dport": 5355,
            "sport": 51001
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7514,
            "time": 4.1525249481201,
            "dport": 5355,
            "sport": 53595
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 7842,
            "time": 6.1790268421173,
            "dport": 5355,
            "sport": 53848
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8170,
            "time": 4.6551048755646,
            "dport": 5355,
            "sport": 54255
        },
        {
            "src": "192.168.56.101",
            "dst": "224.0.0.252",
            "offset": 8498,
            "time": 3.0515198707581,
            "dport": 5355,
            "sport": 55314
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 8826,
            "time": 4.6677598953247,
            "dport": 1900,
            "sport": 1900
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 28236,
            "time": 4.1810758113861,
            "dport": 3702,
            "sport": 49152
        },
        {
            "src": "192.168.56.101",
            "dst": "239.255.255.250",
            "offset": 36620,
            "time": 6.3686618804932,
            "dport": 1900,
            "sport": 53598
        }
    ],
    "dns_servers": [],
    "http": [],
    "icmp": [],
    "smtp": [],
    "tcp": [],
    "smtp_ex": [],
    "mitm": [],
    "hosts": [],
    "pcap_sha256": "d8d4c6fb2de3493e4132b191edabf90da1e423f4a252e2d1fab6a1d5ff31d7f2",
    "dns": [],
    "http_ex": [],
    "domains": [],
    "dead_hosts": [],
    "sorted_pcap_sha256": "a7407b6f1d932e397ed657bbea784240c5d9568ff0d4700826373fa8f970a35b",
    "irc": [],
    "https_ex": []
}

Screenshots

Screenshot from the sandbox

prosper.exe removal instructions

The instructions below shows how to remove prosper.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the prosper.exe file for removal, restart your computer and scan it again to verify that prosper.exe 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 prosper.exe in the scan result and tick the checkbox next to the prosper.exe 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 prosper.exe in the scan result.
    Red arrow point on the unwanted file
    c:\downloads\prosper.exe
  4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the prosper.exe file.
    Screenshot of Fix button
  5. Restart your computer.
  6. Start FreeFixer and scan your computer again. If prosper.exe still remains in the scan result, proceed with the next step. If prosper.exe is gone from the scan result you're done.
  7. If prosper.exe 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 prosper.exe 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
MD5b6dbec1530c0daa31ba923af23b69e17
SHA2565a1a0bdeb929b1196d95ee9e3054a3eea221b8dc00ebc871623158c0d6fa9e7f

Error Messages

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

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

prosper.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.

prosper.exe has stopped working.

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

prosper.exe is not a valid Win32 application.

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

What will you do with prosper.exe?

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



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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