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The wuauclt.exe (Windows Modules Installer Worker) File Analysis

Updated 1 year ago
Checked by Malware Check
wuauclt.exe

Technical Analysis

File Name wuauclt.exe
File Type
Win32 EXE
Magic Bytes PE32+ executable for MS Windows (console) Mono/.Net assembly
SSDEEP Hash
196608:W1QKjDOnfEgQWsZSonfCwav0IvJkyvlcnUoGDjHRh9tuFREkf9NCq8:WgfpQ17nfvav9Jl9cUBRh8Tf94q8
Scanner Version 1.0.167.174
Database Version 2024-02-22 21:00:14 UTC
⚠

Suspicious File Detected

Detected by 44 security engines - requires caution

This file requires additional checking for potential threats. Based on suspicious indicators, we will soon add it to our virus database.
63%
Detection Rate
12,992,440
File Size (bytes)
44/70
Engines Detected
2024-02-22
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
ab0c7aeebe3a71f2324615c12306648e
SHA1
f3bb425509f881ac7da10980f44d5fc16241949c
SHA256
bdd7c041d93290c529464f17895a2fcb37a87ba4e08abafe4325e9eeebed4227
SHA512
8a9eac4f24960f7123b5cc8cc78b64c875be321a5a8d8c6cc375936b7100111241b747abbb2709db455ed19eb0827130a533ecb757efee8260a9ae87130c4db5
ImpHash
9899b6042bb52067ae3b0d0ebfd1b2ed

Security Engines with Detections (44 of 70)

Lionic
Trojan.Win32.Miner.4!c Malicious
AVG
FileRepMalware Malicious
Elastic
malicious (high confidence) Malicious
DrWeb
Tool.BtcMine.2548 Malicious
Malwarebytes
Trojan.BitCoinMiner Malicious
Sangfor
Trojan.Win64.XMR.Miner Malicious
Cybereason
malicious.509f88 Malicious
Symantec
ML.Attribute.HighConfidence Malicious
ESET-NOD32
Win64/CoinMiner.AEW Malicious
Cynet
Malicious (score: 100) Malicious
APEX
Malicious Malicious
Paloalto
generic.ml Malicious
ClamAV
Win.Coinminer.Generic-7151250-0 Malicious
Kaspersky
HEUR:Trojan.Win32.Miner.gen Malicious
Alibaba
Trojan:Win64/CoinMiner.5f8aff29 Malicious
Rising
HackTool.CoinMiner!8.F154 (TFE:5:GRT5r7usHCJ) Malicious
Sophos
Generic Reputation PUA (PUA) Malicious
F-Secure
Heuristic.HEUR/AGEN.1249459 Malicious
Zillya
Trojan.Miner.Win32.12742 Malicious
TrendMicro
TROJ_GEN.R007C0DIG21 Malicious
McAfee-GW-Edition
Artemis!Trojan Malicious
FireEye
Generic.mg.ab0c7aeebe3a71f2 Malicious
Ikarus
Trojan.Win64.Vmprotect Malicious
GData
Win32.Malware.Coinminer.48USP9 Malicious
Jiangmin
Trojan.Miner.pgu Malicious
Webroot
W32.Malware.Gen Malicious
Avira
HEUR/AGEN.1249459 Malicious
Antiy-AVL
GrayWare/Win64.CoinMiner.xmr Malicious
Arcabit
Application.CoinMiner Malicious
ZoneAlarm
not-a-virus:HEUR:RiskTool.Win32.BitCoinMiner.gen Malicious
Microsoft
Trojan:Win64/CoinMiner.XD Malicious
Google
Detected Malicious
AhnLab-V3
Trojan/Win.Miner.C4462870 Malicious
McAfee
Artemis!AB0C7AEEBE3A Malicious
VBA32
Trojan.Miner Malicious
Cylance
Unsafe Malicious
Panda
Trj/CI.A Malicious
TrendMicro-HouseCall
TROJ_GEN.R007C0DIG21 Malicious
Tencent
Risktool.Win64.Bitminer.16000063 Malicious
Yandex
Trojan.Miner!9NnososCYSY Malicious
SentinelOne
Static AI - Suspicious PE Malicious
Fortinet
Riskware/CoinMiner Malicious
Avast
FileRepMalware Malicious
CrowdStrike
win/malicious_confidence_100% (W) Malicious
26 engines reported no threats - Only engines with detections are shown above for clarity

PE Analysis

Basic Information

▼
Image Base 0x00400000
Entry Point 0x0114967e
Compilation Time 2021-04-23 12:58:08
Checksum 0x00c6628a (Actual: 0x00c6628a)
OS Version 5.2
PEiD Signatures PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
Digital Signature Chain verification from CN=Microsoft Corporation, O=Microsoft Corporation, C=US (serial:1, sha1:e1f40bacc4610a5fc3dee1315dfb2eb6e9084c53) failed: The X.509 certificate provided is self-signed - "Common Name: Microsoft Corporation, Organization: Microsoft Corporation, Country: US"
Imports 10 libraries
ADVAPI32, CRYPT32, IPHLPAPI, KERNEL32, msvcrt, SHELL32, USER32, USERENV, WS2_32, WTSAPI32
Exports 0 functions
Resources 2 Resources
Sections 12 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Windows Modules Installer Worker
FileVersion 10.0.17134.136 (WinBuild.160101.0800)
InternalName TiWorker.exe
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename TiWorker.exe
ProductName Microsoft® Windows® Operating System
ProductVersion 10.0.17134.136
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 5,528,696 bytes 5,529,600 bytes 6.46 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_4096BYTES C7D5C19625CF9B6DF731CFD59E64C3A4
.data 0x00547000 65,952 bytes 66,048 bytes 3.12 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_64BYTES 4C71F02332C7284926A7D3AC66AEA1D9
.rdata 0x00558000 1,154,176 bytes 1,154,560 bytes 5.96 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_64BYTES CD924F8FC9FC99E870DDB5CB45026A6B
.pdata 0x00672000 184,860 bytes 185,344 bytes 7.99 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_4BYTES B559D6476B4A5DF6B9AE8B56C0514B6F
.xdata 0x006a0000 229,796 bytes 229,888 bytes 5.04 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_ALIGN_8BYTES 76C0AE2A27527C827D6E00B8DC70C8AF
.bss 0x006d9000 3,292,512 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_64BYTES D41D8CD98F00B204E9800998ECF8427E
.idata 0x009fd000 17,824 bytes 17,920 bytes 7.63 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_4BYTES E84468D0B0F4EC7EC091897373C991DD
.CRT 0x00a02000 112 bytes 512 bytes 0.32 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_8BYTES 19BF54D721A05C0DE5DF188DBD4BA896
.tls 0x00a03000 16 bytes 512 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_8BYTES BF619EAC0CDF3F68D496EA9344137E8B
.datam0 0x00a04000 3,211,236 bytes 3,211,264 bytes 7.62 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 35A4C2416AA3CD94149DEAE51388F313
.datam1 0x00d14000 2,578,836 bytes 2,578,944 bytes 7.57 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 965AC7B40F9E72EC2AD0F765C0385EB8
.rsrc 0x00f8a000 2,271 bytes 2,560 bytes 4.44 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE|IMAGE_SCN_ALIGN_4BYTES 284E86010C9BE54539171FC3876D6E97
Entropy Analysis Alert

4 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼
Total Resources: 2 (2,111 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 944 bytes
44.7%
RT_MANIFEST 1 1,167 bytes
55.3%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Windows® Operating System
Description Windows Modules Installer Worker
File Version 10.0.17134.136 (WinBuild.160101.0800)
Original Name TiWorker.exe
Signing Date 02:48 PM 05/07/2021 (1503 days ago)
Verification Status A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
Signers Microsoft Corporation
Internal Name TiWorker.exe
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
DigiCert Timestamp 2021 #1 Primary
Validity Period: 2021-01-01 00:00:00 → 2031-01-06 00:00:00
Signature Algorithm: sha256RSA
Serial Number: 0D 42 4A E0 BE 3A 88 FF 60 40 21 CE 14 00 F0 DD
Microsoft Corporation #2 Chain
Validity Period: 2019-04-14 22:00:57 → 2022-04-13 22:00:57
Signature Algorithm: sha256RSA
Serial Number: 01
DigiCert SHA2 Assured ID Timestamping CA #3 Chain
Validity Period: 2016-01-07 12:00:00 → 2031-01-07 12:00:00
Signature Algorithm: sha256RSA
Serial Number: 0A A1 25 D6 D6 32 1B 7E 41 E4 05 DA 36 97 C2 15
Symantec SHA256 TimeStamping CA #4 Chain
Validity Period: 2016-01-12 00:00:00 → 2031-01-11 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 7B 05 B1 D4 49 68 51 44 F7 C9 89 D2 9C 19 9D 12
Symantec SHA256 TimeStamping Signer - G3 #5 Chain
Validity Period: 2017-12-23 00:00:00 → 2029-03-22 23:59:59
Signature Algorithm: sha256RSA
Serial Number: 7B D4 E5 AF BA CC 07 3F A1 01 23 04 22 41 4D 12

✓ This file has been digitally signed and the certificate chain has been verified

  • The signature ensures file integrity and authenticity from the publisher
  • Timestamping proves when the signature was applied
Certificate Verification Status

Chain verification from CN=Microsoft Corporation, O=Microsoft Corporation, C=US (serial:1, sha1:e1f40bacc4610a5fc3dee1315dfb2eb6e9084c53) failed: The X.509 certificate provided is self-signed - "Common Name: Microsoft Corporation, Organization: Microsoft Corporation, Country: US"

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Remember: This is Result of Online Virus Scanner

Gridinsoft Anti-Malware has a much more powerful virus scanning engine. We recommend using it for a more precise diagnosis of infected systems. This brief guide will help you install our flagship product for more accurate diagnostics:

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
  2. Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
  3. Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
  4. Email Security: Be cautious with email attachments and links, even from known contacts.
Proactive Protection
44 antivirus engines detected potential threats. This could be a false positive, especially for system tools or packed software. Verify the file source and check if it's digitally signed by a trusted publisher.

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