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isr_lj.exe

Xin Zhou

The executable isr_lj.exe has been detected as malware by 1 anti-virus scanner.
Publisher:
Xin Zhou  (signed and verified)

MD5:
1ecb0a4d572a9bec7b8538bbbe258420

SHA-1:
9c50c79aa1bdfcb2b52c0abc4ee54669b21bb6d4

SHA-256:
1a53c310cfa78d78fbfc6ad5d33e870b465b870fc443f0cf4aa30b8c364e8f69

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
10/14/2025 3:39:22 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.23.12

File size:
412.2 KB (422,136 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\isr_lj.exe

Digital Signature
Signed by:
Xin Zhou

Authority:
thawte, Inc.

Valid from:
11/4/2016 7:00:00 AM

Valid to:
3/23/2017 6:59:59 AM

Subject:
CN=Xin Zhou, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3D50F36E24BBF7552E2B85DBBD2AECCC

File PE Metadata
Compilation timestamp:
11/9/2016 8:03:40 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:LxTvzvdLHHkj8mAxqLPO9Mze+woT4AL1R7ts1U:VDbdDbeKCzewT4AJH

Entry address:
0x4238

Entry point:
E8, 76, 33, 00, 00, E9, FB, 76, 00, 00, 55, 8B, EC, 83, EC, 0C, 9B, D9, 7D, FC, 66, 8B, 45, FC, 33, C9, A8, 01, 74, 03, 6A, 10, 59, A8, 04, 74, 03, 83, C9, 08, A8, 08, 74, 03, 83, C9, 04, A8, 10, 74, 03, 83, C9, 02, A8, 20, 74, 03, 83, C9, 01, A8, 02, 74, 06, 81, C9, 00, 00, 08, 00, 53, 56, 0F, B7, F0, BB, 00, 0C, 00, 00, 8B, D6, 57, BF, 00, 02, 00, 00, 23, D3, 74, 26, 81, FA, 00, 04, 00, 00, 74, 18, 81, FA, 00, 08, 00, 00, 74, 0C, 3B, D3, 75, 12, 81, C9, 00, 03, 00, 00, EB, 0A, 0B, CF, EB, 06, 81, C9, 00...
 
[+]

Entropy:
7.8020  (probably packed)

Code size:
365 KB (373,760 bytes)

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