MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 764ef4aa1fae1e526d06e068fdcd08e82572de70cc85abef3e2dff46b87bf1fa. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Threat unknown
Vendor detections: 8
| SHA256 hash: | 764ef4aa1fae1e526d06e068fdcd08e82572de70cc85abef3e2dff46b87bf1fa |
|---|---|
| SHA3-384 hash: | 9c4760e22f2203d16fd07d62adb60b64fa5febdc2ccfd4d1ef9775de2fbcd03ab369f8947c6c93a6dc13d77d6865eb34 |
| SHA1 hash: | b146d64878ee7e46de5f813c90dce390079ab0b8 |
| MD5 hash: | fcc5953ae77dcfd586c5d873ad1d153f |
| humanhash: | nine-diet-white-illinois |
| File name: | fvw_k.exe |
| Download: | download sample |
| File size: | 608'648 bytes |
| First seen: | 2025-11-25 18:39:07 UTC |
| Last seen: | 2025-11-25 20:46:42 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 8408aa70a1a09e9d8e222e58da05ee12 |
| ssdeep | 12288:faH8oS5GuIJzewm98LXyPQF4XzcYegGPskpYGMMXhB:fHno/G9G7Fgc2GPskpY9kn |
| TLSH | T17CD4124AFBD5A068F009B173C6EED5798606F8D8F34B8F132398AA1EDB541077F86461 |
| TrID | 50.8% (.EXE) Win32 EXE PECompact compressed (v2.x) (59069/9/14) 35.7% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 4.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1) 1.7% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  juroots |
| Tags: | exe signed |
Code Signing Certificate
| Organisation: | FastViewer GmbH und Co KG |
|---|---|
| Issuer: | Thawte Code Signing CA |
| Algorithm: | sha1WithRSAEncryption |
| Valid from: | 2007-11-12T00:00:00Z |
| Valid to: | 2009-11-11T23:59:59Z |
| Serial number: | 4cf5e0e10bba3874dee1c2b4942bb585 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | f1a2d8b94bb56b6384fff96440ccc06ebcf9614a05578241c938d871d8232721 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
98
Origin country :
ILVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fvw_k.exe
Verdict:
Malicious activity
Analysis date:
2025-11-25 18:43:10 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Clean
Score:
70%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
expired-cert overlay packed packed packed pecompact signed
Verdict:
Adware
File Type:
exe x32
First seen:
2010-08-02T01:14:00Z UTC
Last seen:
2025-11-25T21:13:00Z UTC
Hits:
~1000
Detections:
not-a-virus:RemoteAdmin.Win32.FastViewer.lb not-a-virus:VHO:RemoteAdmin.Win32.FastViewer.lb
Verdict:
Unknown
Score:
26%
Verdict:
Benign
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
RemoteAdmin.Win32.FastViewer
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
764ef4aa1fae1e526d06e068fdcd08e82572de70cc85abef3e2dff46b87bf1fa
MD5 hash:
fcc5953ae77dcfd586c5d873ad1d153f
SHA1 hash:
b146d64878ee7e46de5f813c90dce390079ab0b8
SH256 hash:
d1ee92eede88c3df154f816e9f0adc286bd33dbbfc50ff9d398959741b2084e1
MD5 hash:
7916390398159cb427f47427ca9b5023
SHA1 hash:
150c9284bbe7533abb6f40b03f4b26b4dc9fbead
SH256 hash:
4a377769e75ff6e48c6deb22de6915d77295eb9783bb10143c4fb6bec705d5c7
MD5 hash:
bc77f5d2e02177f81c31e092cfb9b9c4
SHA1 hash:
e5b2dba55879a649ec68e7fbcaf7d5c988f5a2a5
SH256 hash:
0d38360003865e84a2842c337d7c440c8ab4c41809cc87b8758df6d852c02afc
MD5 hash:
91a4eeb39ed3054f558795cfcdb13fa8
SHA1 hash:
614b4afb945d697ad19560b32af6b686d4171034
SH256 hash:
a922d6409f5a4ce8ca6fcc93d462b213acf2e7a60b5604a7019d30d8975c9f85
MD5 hash:
1372dc19e18f23f564c38367f33f98cf
SHA1 hash:
b1d5432a6ecb7b8a55ec26762be6fc3bdb404ec7
SH256 hash:
0c6b45ddd4f92a8427c96165fce3c64a8dbede115eb9a7589e9e6f7688381bf1
MD5 hash:
c5dee3edc34451161135bb1c5eff3ef5
SHA1 hash:
cb3f8c9e6a0e73c6f75aaad1adf116d9536fe3a8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.13
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Armadillov1xxv2xx |
|---|---|
| Author: | malware-lu |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PECompact2xxBitSumTechnologies |
|---|---|
| Author: | malware-lu |
| Rule name: | PECompactv25RetailBitsumTechnologies |
|---|---|
| Author: | malware-lu |
| Rule name: | PECompactV2XBitsumTechnologies |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
exe 764ef4aa1fae1e526d06e068fdcd08e82572de70cc85abef3e2dff46b87bf1fa
(this sample)
Delivery method
Distributed via web download
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