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The OInstall.exe (Office 2013-2024 C2R Install) File Analysis

Updated 1 year ago
Checked by Malware Check
OInstall.exe

Technical Analysis

File Name OInstall.exe
File Type
Win32 EXE
Magic Bytes PE32 executable (GUI) Intel 80386, for MS Windows
SSDEEP Hash
393216:3foCkhfO/zFXGW/F/P9wXiXzTh7heC/+pWt0q:PRkdObGXYzt71Ma0
Scanner Version 1.0.168.174
Database Version 2024-03-09 20:00:28 UTC
⚠

Suspicious File Detected

Detected by 33 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.
46%
Detection Rate
16,228,352
File Size (bytes)
33/71
Engines Detected
2024-03-09
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
79b79c931da142894da7ba535f00f624
SHA1
43e1ba4454dc112425eec454d46af409c241ee2a
SHA256
e20e04ab7f5c5035d49ba6ca27e99b8f6ba85aa9392464dee3a9ebf3ef0dc4fa
SHA512
788c7219ff52c563bfd3b3804f7eab96908f218dff1ecb2763e09adcccfe8eb1c73b744de20bd45cde448e7f4adccb5c1902c2d2348e078ec3b0b8491cf751dc
ImpHash
4f5bd8c41170d44583a1b0a0ac96a54c

Security Engines with Detections (33 of 71)

Bkav
W32.Common.BEF896BE Malicious
Lionic
Hacktool.Win32.KMSAuto.3!c Malicious
Elastic
malicious (high confidence) Malicious
FireEye
Application.Generic.3609630 Malicious
Skyhigh
BehavesLike.Win32.Crack.wh Malicious
Cylance
unsafe Malicious
Sangfor
Suspicious.Win32.Save.ins Malicious
CrowdStrike
win/grayware_confidence_70% (D) Malicious
K7GW
Unwanted-Program ( 005b265b1 ) Malicious
K7AntiVirus
Unwanted-Program ( 005b265b1 ) Malicious
Symantec
ML.Attribute.HighConfidence Malicious
tehtris
Generic.Malware Malicious
ESET-NOD32
a variant of Win32/HackTool.KMSAuto_AGen.K potentially unsafe Malicious
Kaspersky
HackTool.Win32.KMSAuto.ggb Malicious
BitDefender
Application.Generic.3609630 Malicious
MicroWorld-eScan
Application.Generic.3609630 Malicious
Avast
Win32:Malware-gen Malicious
Sophos
Generic Reputation PUA (PUA) Malicious
Emsisoft
Application.Generic.3609630 (B) Malicious
Webroot
W32.Malware.Gen Malicious
Antiy-AVL
HackTool/Win32.KMSAuto Malicious
ZoneAlarm
HackTool.Win32.KMSAuto.ggb Malicious
GData
Win32.Trojan.Agent.HRPT7Y Malicious
McAfee
Artemis!79B79C931DA1 Malicious
MAX
malware (ai score=74) Malicious
VBA32
BScope.Trojan.Win64.Miner Malicious
Malwarebytes
Generic.Malware.AI.DDS Malicious
Rising
HackTool.KMSAuto!8.3AE (TFE:1:J23j2OgaArD) Malicious
Ikarus
PUA.HackTool.Kmsauto Malicious
MaxSecure
Trojan.Malware.300983.susgen Malicious
Fortinet
Riskware/KMSAuto Malicious
AVG
Win32:Malware-gen Malicious
DeepInstinct
MALICIOUS Malicious
38 engines reported no threats - Only engines with detections are shown above for clarity

PE Analysis

Basic Information

▼
Icon
Hash: cf8b3d44cc80ac3d3f5b2c3f6848133a
Fuzzy: 71fcd2e860bbcd562ce257f969072383
dHash: e0c8ccc6c6c6c0e0
Image Base 0x00400000
Entry Point 0x00401000
Compilation Time 2024-03-05 07:18:30
Checksum 0x00f7c72a (Actual: 0x00f7c72a)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 14 libraries
Exports 0 functions
Resources 7 Resources
Sections 7 Sections

Version Information

▼
ProductName Office 2013-2024 C2R Install
FileDescription Office 2013-2024 C2R Install
Translation 0x0000 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.code 0x00001000 332,266 bytes 332,288 bytes 6.16 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 803A5AF2F3D756C8DD662389A0FA5DF7
.text 0x00053000 751,281 bytes 751,616 bytes 6.63 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 0F56E4B1CF1642BF2337F3A7599CC5C8
'.text' 0x0010b000 21 bytes 512 bytes 0.36 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ ED9BA544DB08FB4F835EB3AC1C1D5C27
.rdata 0x0010c000 172,168 bytes 172,544 bytes 5.89 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 1733C78C99398272ED68382EC6B5F676
.data 0x00137000 15,382,616 bytes 14,882,304 bytes 7.02 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE F384562DAA1EE008F33636A1DF9AF9B2
.rsrc 0x00fe3000 87,752 bytes 88,064 bytes 2.17 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 477B0A54C43059CB39D2DD57DDD38E4F
.modplug 0x00ff9000 20,480 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
Entropy Analysis Alert

2 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 7 (87,299 bytes)
Resource Type Count Total Size Percentage
RT_ICON 4 82,656 bytes
94.7%
RT_GROUP_ICON 1 62 bytes
0.1%
RT_VERSION 1 412 bytes
0.5%
RT_MANIFEST 1 4,169 bytes
4.8%

Certificate Chain Analysis

▼
Certificate Information
Product Office 2013-2024 C2R Install
Description Office 2013-2024 C2R Install
Certificate Chain Summary
Microsoft Time-Stamp Service #1 Primary
Validity Period: 2016-09-07 17:58:51 → 2018-09-07 17:58:51
Signature Algorithm: sha1RSA
Serial Number: 33 00 00 00 C2 A0 09 C5 37 76 E9 F6 CD 00 00 00 00 00 C2
Microsoft Corporation #2 Chain
Validity Period: 2017-08-11 20:11:15 → 2018-08-11 20:11:15
Signature Algorithm: sha1RSA
Serial Number: 33 00 00 01 78 25 5A B5 CD 23 C6 5F 95 00 01 00 00 01 78
Microsoft Code Signing PCA #3 Chain
Validity Period: 2010-08-31 22:19:32 → 2020-08-31 22:29:32
Signature Algorithm: sha1RSA
Serial Number: 61 33 26 1A 00 00 00 00 00 31
Microsoft Time-Stamp PCA #4 Chain
Validity Period: 2007-04-03 12:53:09 → 2021-04-03 13:03:09
Signature Algorithm: sha1RSA
Serial Number: 61 16 68 34 00 00 00 00 00 1C
Microsoft Corporation #5 Chain
Validity Period: 2017-08-11 20:20:24 → 2018-08-11 20:20:24
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 C3 0E 9B A7 D8 B2 DC F7 2C 00 00 00 00 00 C3
Microsoft Code Signing PCA 2011 #6 Chain
Validity Period: 2011-07-08 20:59:09 → 2026-07-08 21:09:09
Signature Algorithm: sha256RSA
Serial Number: 61 0E 90 D2 00 00 00 00 00 03
Microsoft Time-Stamp PCA 2010 #7 Chain
Validity Period: 2010-07-01 21:36:55 → 2025-07-01 21:46:55
Signature Algorithm: sha256RSA
Serial Number: 61 09 81 2A 00 00 00 00 00 02
Microsoft Time-Stamp Service #8 Chain
Validity Period: 2016-09-07 17:56:54 → 2018-09-07 17:56:54
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 AB 5E 40 9D EE 46 DF 2C 6C 00 00 00 00 00 AB
Symantec Time Stamping Services CA - G2 #9 Chain
Validity Period: 2012-12-21 00:00:00 → 2020-12-30 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 7E 93 EB FB 7C C6 4E 59 EA 4B 9A 77 D4 06 FC 3B
Symantec Time Stamping Services Signer - G4 #10 Chain
Validity Period: 2012-10-18 00:00:00 → 2020-12-29 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 0E CF F4 38 C8 FE BF 35 6E 04 D8 6A 98 1B 1A 50
VMware, Inc. #11 Chain
Validity Period: 2013-10-17 00:00:00 → 2016-11-15 23:59:59
Signature Algorithm: sha1RSA
Serial Number: 44 51 AD 37 17 CF A2 23 71 FF BC 07 DF 13 E6 5D
VeriSign Class 3 Public Primary Certification Authority - G5 #12 Chain
Validity Period: 2011-02-22 19:25:17 → 2021-02-22 19:35:17
Signature Algorithm: sha1RSA
Serial Number: 61 19 93 E4 00 00 00 00 00 1C
Microsoft Time-Stamp Service #13 Chain
Validity Period: 2016-03-30 19:21:27 → 2017-06-30 19:21:27
Signature Algorithm: sha1RSA
Serial Number: 33 00 00 00 98 04 58 CB 7F 23 09 B0 9E 00 00 00 00 00 98
Microsoft Corporation #14 Chain
Validity Period: 2015-06-04 17:42:45 → 2016-09-04 17:42:45
Signature Algorithm: sha1RSA
Serial Number: 33 00 00 01 0A 2C 79 AE D7 79 7B A6 AC 00 01 00 00 01 0A
Microsoft Corporation #15 Chain
Validity Period: 2015-10-28 20:31:46 → 2017-01-28 20:31:46
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 00 64 47 84 94 86 DB 41 19 38 00 00 00 00 00 64

✓ 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

The PE file does not contain a certificate table.

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
33 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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