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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:
ccb0a682d259b94854a9560fce2d130b

SHA-1:
1de14250c2518762e968866aa8dbf783b5a81067

SHA-256:
1298bb62720a77dcca2453e3e51dad4ac42a94293a36b563da1e5495a1d16399

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
5/14/2025 3:59:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.10.12.10

File size:
407.7 KB (417,504 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
9/27/2016 9:00:00 PM

Valid to:
4/13/2017 8:59:59 PM

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:
71E7658468D29367296A74F17571A3AF

File PE Metadata
Compilation timestamp:
10/9/2016 6:12:01 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:zLBAhGHGw2TATuP+VJ7DHCNPd/ot9Jw9+gS2XZR2B9M5QUNculFI3F0:zVAhGSUW+V9DHOI9K9+O2BaQUCmFy0

Entry address:
0x79A4

Entry point:
E8, 19, EC, FF, FF, E9, 62, 3F, 00, 00, 55, 8B, EC, 83, EC, 10, FF, 75, 0C, 8D, 4D, F0, E8, 33, DC, FF, FF, 8B, 4D, F0, 83, 79, 74, 01, 7E, 15, 8D, 45, F0, 50, 6A, 04, FF, 75, 08, E8, BA, 24, 00, 00, 83, C4, 0C, 8B, C8, EB, 10, 8B, 89, 90, 00, 00, 00, 8B, 45, 08, 0F, B7, 0C, 41, 83, E1, 04, 80, 7D, FC, 00, 74, 07, 8B, 45, F8, 83, 60, 70, FD, 8B, C1, 8B, E5, 5D, C3, 55, 8B, EC, 53, 56, 8B, 75, 08, 33, DB, 8B, 46, 0C, 24, 03, 3C, 02, 75, 42, F7, 46, 0C, 08, 01, 00, 00, 74, 39, 57, 8B, 3E, 2B, 7E, 08, 85, FF...
 
[+]

Code size:
356.5 KB (365,056 bytes)

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