trofost.exe is part of Downloader ???? according to the trofost.exe version information.
trofost.exe's description is "Downloader Microsoft ???????"
trofost.exe is usually located in the 'c:\downloads\' folder.
Some of the anti-virus scanners at VirusTotal detected trofost.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.
The following is the available information on trofost.exe:
Property | Value |
---|---|
Product name | Downloader ???? |
File description | Downloader Microsoft ??????? |
Internal name | Downloader |
Original filename | Downloader.EXE |
Legal copyright | ???? (C) 2017 |
Product version | 1, 0, 0, 1 |
File version | 1, 0, 0, 1 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
Product name | Downloader ???? |
File description | Downloader Microsoft ??????? |
Internal name | Downloader |
Original filename | Downloader.EXE |
Legal copyright | ???? (C) 2017 |
Product version | 1, 0, 0, 1 |
File version | 1, 0, 0, 1 |
trofost.exe is not signed.
38 of the 69 anti-virus programs at VirusTotal detected the trofost.exe file. That's a 55% detection rate.
Scanner | Detection Name |
---|---|
Ad-Aware | Trojan.GenericKD.31912571 |
AegisLab | Trojan.Win32.Generic.4!c |
AhnLab-V3 | Malware/Win32.Backdoor.C3172077 |
Alibaba | TrojanDownloader:Win32/Generic.7855c5e1 |
ALYac | Trojan.GenericKD.31912571 |
Antiy-AVL | Trojan/Win32.Tiggre |
Arcabit | Trojan.Generic.D1E6F27B |
Avast | Win32:Malware-gen |
AVG | Win32:Malware-gen |
BitDefender | Trojan.GenericKD.31912571 |
CAT-QuickHeal | Trojandownloader.Generic |
Comodo | Malware@#1aa56pjx3f5ma |
CrowdStrike | win/malicious_confidence_60% (W) |
Cybereason | malicious.3e7a97 |
Cylance | Unsafe |
Cyren | W32/Heuristic-217!Eldorado |
Emsisoft | Trojan.GenericKD.31912571 (B) |
F-Prot | W32/Heuristic-217!Eldorado |
FireEye | Generic.mg.a21f163764c9d2cc |
Fortinet | W32/Generic!tr.dldr |
GData | Trojan.GenericKD.31912571 |
K7AntiVirus | Riskware ( 0040eff71 ) |
K7GW | Riskware ( 0040eff71 ) |
Kaspersky | HEUR:Trojan-Downloader.Win32.Generic |
McAfee | Artemis!A21F163764C9 |
McAfee-GW-Edition | BehavesLike.Win32.BadFile.nm |
Microsoft | Trojan:Win32/Occamy.C |
MicroWorld-eScan | Trojan.GenericKD.31912571 |
Paloalto | generic.ml |
Panda | Trj/GdSda.A |
Qihoo-360 | HEUR/QVM07.1.BD47.Malware.Gen |
Sophos | Mal/Generic-S |
Symantec | ML.Attribute.HighConfidence |
Tencent | Win32.Trojan-downloader.Generic.Liqh |
TrendMicro-HouseCall | Backdoor.Win32.ZEGOST.AMX |
VBA32 | suspected of Trojan.Downloader.gen.h |
ViRobot | Trojan.Win32.Z.Agent.98304.EPK |
ZoneAlarm | HEUR:Trojan-Downloader.Win32.Generic |
The following information was gathered by executing the file inside Cuckoo Sandbox.
Successfully executed process in sandbox.
[ { "process_path": "C:\\Windows\\System32\\lsass.exe", "process_name": "lsass.exe", "pid": 476, "summary": {}, "first_seen": 1565221984.3281, "ppid": 376 } ]
[ { "markcount": 1, "families": [], "description": "The executable uses a known packer", "severity": 1, "marks": [ { "category": "packer", "ioc": "Armadillo v1.71", "type": "ioc", "description": null } ], "references": [], "name": "peid_packer" }, { "markcount": 23, "families": [], "description": "Foreign language identified in PE resource", "severity": 2, "marks": [ { "name": "RT_CURSOR", "language": "LANG_CHINESE", "offset": "0x00018d90", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x000000b4" }, { "name": "RT_CURSOR", "language": "LANG_CHINESE", "offset": "0x00018d90", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x000000b4" }, { "name": "RT_BITMAP", "language": "LANG_CHINESE", "offset": "0x00019768", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000144" }, { "name": "RT_BITMAP", "language": "LANG_CHINESE", "offset": "0x00019768", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000144" }, { "name": "RT_BITMAP", "language": "LANG_CHINESE", "offset": "0x00019768", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000144" }, { "name": "RT_BITMAP", "language": "LANG_CHINESE", "offset": "0x00019768", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000144" }, { "name": "RT_ICON", "language": "LANG_CHINESE", "offset": "0x00018808", "filetype": "GLS_BINARY_LSB_FIRST", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000128" }, { "name": "RT_ICON", "language": "LANG_CHINESE", "offset": "0x00018808", "filetype": "GLS_BINARY_LSB_FIRST", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000128" }, { "name": "RT_DIALOG", "language": "LANG_CHINESE", "offset": "0x00019458", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x000000e2" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_STRING", "language": "LANG_CHINESE", "offset": "0x0001a180", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000024" }, { "name": "RT_GROUP_CURSOR", "language": "LANG_CHINESE", "offset": "0x00018e48", "filetype": "MS Windows cursor resource - 2 icons, 32x256, hotspot @1x1", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000022" }, { "name": "RT_GROUP_ICON", "language": "LANG_CHINESE", "offset": "0x00018930", "filetype": "MS Windows icon resource - 2 icons, 32x32, 16 colors", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x00000022" }, { "name": "RT_VERSION", "language": "LANG_CHINESE", "offset": "0x00018958", "filetype": "data", "sublanguage": "SUBLANG_CHINESE_SIMPLIFIED", "type": "generic", "size": "0x000002fc" } ], "references": [], "name": "origin_langid" } ]
The Yara rules did not detect anything in the file.
{ "tls": [], "udp": [ { "src": "192.168.56.101", "dst": "192.168.56.255", "offset": 662, "time": 6.2090330123901, "dport": 137, "sport": 137 }, { "src": "192.168.56.101", "dst": "192.168.56.255", "offset": 5342, "time": 12.208445072174, "dport": 138, "sport": 138 }, { "src": "192.168.56.101", "dst": "224.0.0.252", "offset": 7186, "time": 5.2094171047211, "dport": 5355, "sport": 51001 }, { "src": "192.168.56.101", "dst": "224.0.0.252", "offset": 7506, "time": 4.1401970386505, "dport": 5355, "sport": 53595 }, { "src": "192.168.56.101", "dst": "224.0.0.252", "offset": 7834, "time": 6.170065164566, "dport": 5355, "sport": 53848 }, { "src": "192.168.56.101", "dst": "224.0.0.252", "offset": 8162, "time": 4.6489269733429, "dport": 5355, "sport": 54255 }, { "src": "192.168.56.101", "dst": "224.0.0.252", "offset": 8490, "time": 3.0461201667786, "dport": 5355, "sport": 55314 }, { "src": "192.168.56.101", "dst": "224.0.0.252", "offset": 8818, "time": 6.1824049949646, "dport": 5355, "sport": 55880 }, { "src": "192.168.56.101", "dst": "239.255.255.250", "offset": 9146, "time": 4.6619100570679, "dport": 1900, "sport": 1900 }, { "src": "192.168.56.101", "dst": "239.255.255.250", "offset": 28556, "time": 4.1754751205444, "dport": 3702, "sport": 49152 }, { "src": "192.168.56.101", "dst": "239.255.255.250", "offset": 36940, "time": 6.2716419696808, "dport": 1900, "sport": 53598 } ], "dns_servers": [], "http": [], "icmp": [], "smtp": [], "tcp": [], "smtp_ex": [], "mitm": [], "hosts": [], "pcap_sha256": "fbfec08b1b2f97d6b66ee3fcc9a30fa5096606a5f289c4b173a13953f6fa1404", "dns": [], "http_ex": [], "domains": [], "dead_hosts": [], "sorted_pcap_sha256": "4cdbd4fdf3097fba700526b2bb7b1426b44cf8bbae100ed6c25d0850ef9a1c7a", "irc": [], "https_ex": [] }
The instructions below shows how to remove trofost.exe with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the trofost.exe file for removal, restart your computer and scan it again to verify that trofost.exe has been successfully removed. Here are the removal instructions in more detail:
Property | Value |
---|---|
MD5 | a21f163764c9d2cc10fd4a776f963a62 |
SHA256 | 841db55baa32e0927ce7f690a5814b8c624e3513c743842b1919541d582afa84 |
These are some of the error messages that can appear related to trofost.exe:
trofost.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
trofost.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.
Downloader Microsoft ??????? has stopped working.
End Program - trofost.exe. This program is not responding.
trofost.exe is not a valid Win32 application.
trofost.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
To help other users, please let us know what you will do with trofost.exe:
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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