MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3. 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


Vidar


Vendor detections: 14


Intelligence 14 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3
SHA3-384 hash: 952da9242ab046ab64b7c4639ad0e0f5d4e7457de52a0729dfca2ec48b3602a58657068c210d00b18bb5ba2a99b0e522
SHA1 hash: 390c2fd4ff2ffa07cab321eecf9623ec0625b00f
MD5 hash: c0f539f5c7b3b42359d1c56d864bfe7d
humanhash: nitrogen-low-twelve-network
File name:fps boost fix.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:3'398'000 bytes
First seen:2026-06-22 15:15:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (498 x Vidar, 97 x Stealc, 92 x Rhadamanthys)
ssdeep 49152:ltuPDBYu5mzKznz0SCohH7j6wkw04SVWqZE+j:lCFISb9j2DWqPj
TLSH T1AFF58D07FCD506E9C05AA23288B79285B775BC081B3167DB2AA0B7792F737D06D36724
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter kejult
Tags:exe signed Stealc stealer vidar

Code Signing Certificate

Organisation:ambito.com
Issuer:ambito.com
Algorithm:sha256WithRSAEncryption
Valid from:2026-06-22T12:58:52Z
Valid to:2027-06-22T12:58:52Z
Serial number: 69d08cd9aa5d30e6
Thumbprint Algorithm:SHA256
Thumbprint: e30dd69bbedd2e36ca2c60f1ffb9db183453c1a89747b0dd9f3e7ecde6a4e981
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
fps boost fix.exe
Verdict:
Malicious activity
Analysis date:
2026-06-22 15:15:07 UTC
Tags:
stealer stealc vidar golang
Link:
https://app.any.run/tasks/de85acea-ac32-4e26-9470-6ad6c863eb74

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71587/
Detection(s):
SecuriteInfo.com.UntrustedCertificate-21.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a39528e1548daf709f8e5af
Tags:
injection obfusc crypt lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a service
DNS request
Connection attempt
Behavior that indicates a threat
Sending a custom TCP request
Connection attempt to an infection source
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm base64 crypto golang signed
Link:
https://www.filescan.io/uploads/6a3952209799578a6c4616ad/reports/b65f64ed-cefd-434d-98b1-559ac6fb3881/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-22T11:26:00Z UTC
Last seen:
2026-06-24T01:40:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7133aa1b-46f1-4189-9c23-f297d2a0c6d2
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3/
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-06-22 15:20:56 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uohdb7ev2ksz4mxdqhc4g3l7hkhiotst7m7vy3tluxvat6qp4krq._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260622-spsdhsdz31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Unpacked files
SH256 hash:
a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3
MD5 hash:
c0f539f5c7b3b42359d1c56d864bfe7d
SHA1 hash:
390c2fd4ff2ffa07cab321eecf9623ec0625b00f
Link:
https://www.unpac.me/results/bfc505aa-fa51-42e4-908a-fc3cfd613c5e/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a38e30fc95d2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
vidar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe a38e30fc95d2a59e32e381c5c36d7f3a8e874e53fb3f5c6e6ba5ea09fa0fe2a3

(this sample)

anyrun
any.run
https://app.any.run/tasks/de85acea-ac32-4e26-9470-6ad6c863eb74
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/71587/

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