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The installos.exe (小兵U盘启动) File Analysis

Updated 3 months ago
Checked by Malware Check
installos.exe

Technical Analysis

File Name installos.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Scanner Version 1.0.226.174
Database Version 2025-10-06 09:00:31 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
35,291,648
File Size (bytes)
2025-10-06
Analysis Date

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File Identification

Hash Type Value Action
MD5
8a2ef5c470bafb57a4ee7a3550a1d9b3
SHA1
daab4db7f7520c3ce570c22225991755cdfb502e
SHA256
1fdc169d1a84ecca0358cfa25986cdbe6895e1afae153894ae4c495373ac293f
SHA512
408c38c76cd12cf03ba97997b542b631bac0babef22b977a8bd840e1e7cd69a09ad7819a8fff7c942687b57320675a9fd15849140eea32ce6c7fb1ed4612acaa
ImpHash
5198b60f7af027b382c03826006e2658

PE Analysis

Basic Information

▼
Icon
Hash: d568f99cee65ebf68ba7b2c21eee7251
Fuzzy: f45ac05fd9c78f850d144e6815f17741
dHash: 71ccd2d3c7e2d0d4
Image Base 0x00400000
Entry Point 0x0584de40
Compilation Time 2025-02-18 12:39:49
Checksum 0x00000000 (Actual: 0x021a91c3)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
Digital Signature No valid SignedData structure was found.
Imports 19 libraries
Exports 0 functions
Resources 193 Resources
Sections 3 Sections

Version Information

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CompanyName www.xiaobingxitong.com
FileDescription 小兵U盘启动
FileVersion 2.0.2.186
LegalCopyright Copyright © xiaobingxitong.com All Rights Reserved.
ProductName 小兵U盘启动
ProductVersion 2.0.2.186
Comments 小兵U盘启动
Translation 0x0409 0x04e4

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
UPX0 0x00001000 53,133,312 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
UPX1 0x032ad000 35,266,560 bytes 35,265,536 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 1076A0B6B46C75F39997713BEEE3B3C6
.rsrc 0x0544f000 28,672 bytes 25,088 bytes 5.55 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BE5EBA20E82395E3BC118DF56EC8121B
Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 193 (81,753,086 bytes)
Resource Type Count Total Size Percentage
BOT 1 983,040 bytes
1.2%
CU 1 118,967 bytes
0.1%
DLL 4 2,806,052 bytes
3.4%
EFISET 12 6,515,840 bytes
8%
FUN 51 43,894,479 bytes
53.7%
LPES 3 555,330 bytes
0.7%
MISO 2 5,266,387 bytes
6.4%
MM 1 2,560 bytes
0%
MUPE 1 9,662 bytes
0%
NT5 2 4,693,538 bytes
5.7%
NT6 1 9,216 bytes
0%
PEBOOT 1 271,530 bytes
0.3%
PEMGR 1 8,192 bytes
0%
SYS 2 2,273,648 bytes
2.8%
TESTDATA 1 36 bytes
0%
VMA 1 2,919,438 bytes
3.6%
VMB 1 87,054 bytes
0.1%
VMC 3 429,070 bytes
0.5%
VMD 3 1,217,024 bytes
1.5%
VME 1 196,608 bytes
0.2%
RT_CURSOR 7 2,156 bytes
0%
RT_BITMAP 10 4,660 bytes
0%
RT_ICON 1 9,640 bytes
0%
RT_STRING 56 61,564 bytes
0.1%
RT_RCDATA 16 9,415,052 bytes
11.5%
RT_GROUP_CURSOR 7 140 bytes
0%
RT_GROUP_ICON 1 20 bytes
0%
RT_VERSION 1 692 bytes
0%
RT_MANIFEST 1 1,491 bytes
0%

Certificate Chain Analysis

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Certificate Information
Product 小兵U盘启动
Description 小兵U盘启动
File Version 2.0.2.186
Copyright Copyright © xiaobingxitong.com All Rights Reserved.

✓ 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

No valid SignedData structure was found.

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
This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

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