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isr_lm.exe

Ding Ruan

The application isr_lm.exe by Ding Ruan has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Ding Ruan  (signed and verified)

MD5:
85f3f3afc829dd77ada8714ee13d6a7b

SHA-1:
837465635f2b23c7bf0495415d0c1fa0d7004ece

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/15/2025 2:33:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
17.3.3.20

File size:
560.2 KB (573,611 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\isr_lm.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
9/6/2016 7:00:00 AM

Valid to:
4/14/2017 6:59:59 AM

Subject:
CN=Ding Ruan, 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:
51F503B62BF53BAAC1BB85DC3A763D5F

File PE Metadata
Compilation timestamp:
9/14/2016 2:12:08 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x4EF0

Entry point:
60, E8, 00, 00, 00, 00, 5B, 81, EB, D0, 48, 00, 10, 83, EC, 74, 8B, EC, 8B, 83, AB, 4B, 00, 10, 89, 45, 00, 8B, 83, B3, 4B, 00, 10, 03, 45, 00, 89, 45, 2C, 8B, 83, B7, 4B, 00, 10, 03, 45, 00, 89, 45, 30, C7, 45, 14, 00, 00, 00, 00, C7, 45, 18, 00, 00, 00, 00, C7, 45, 1C, 00, 00, 00, 00, 8B, 45, 14, FF, 45, 14, 66, 33, C9, 8A, 8C, 03, FF, 4B, 00, 10, 84, C9, 74, 7A, 8B, 45, 1C, 66, 01, 4D, 1C, 03, C3, 05, 13, 4C, 00, 10, 50, 8B, 45, 2C, FF, 10, 85, C0, 0F, 84, 5E, 02, 00, 00, 89, 45, 10, 8B, 45, 1C, 03, C3...
 
[+]

Entropy:
7.6821

Packer / compiler:
ASPack v1.08.04

Code size:
62.5 KB (64,000 bytes)

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