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3gs_lj.exe

Ding Ruan

The application 3gs_lj.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. This is a setup program which is used to install the application. The file has been seen being downloaded from d3g1g0k0wwnjag.cloudfront.net.
Publisher:
Ding Ruan  (signed and verified)

MD5:
ab3b8b62ff8bd9f32bf3f6930bedaddf

SHA-1:
264463a27f2fe3955c563d3ceb25d7bb7209937e

SHA-256:
6b879e7732615e3e0d258fe3bf72120ca7bb5372076f66da1b5c6ee0328831b0

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/14/2025 6:55:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.12.8.5

File size:
407 KB (416,728 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\3gs_lj.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
11/27/2016 4:00:00 PM

Valid to:
4/13/2017 4:59:59 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:
2338186762931B78D05AE2D72C1455CC

File PE Metadata
Compilation timestamp:
11/22/2016 5:53:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x66C2

Entry point:
E8, 1B, C6, FF, FF, E9, EE, 56, 00, 00, 6A, 10, 68, 90, 1E, 46, 00, E8, C8, 59, 00, 00, 33, FF, 89, 7D, E4, 6A, 01, E8, 9D, E0, FF, FF, 59, 21, 7D, FC, 6A, 03, 5E, 89, 75, E0, 3B, 35, A4, 9E, 46, 00, 7D, 53, A1, A0, 9E, 46, 00, 8B, 04, B0, 85, C0, 74, 44, F6, 40, 0C, 83, 74, 10, 50, E8, 11, 20, 00, 00, 59, 83, F8, FF, 74, 04, 47, 89, 7D, E4, 83, FE, 14, 7C, 29, A1, A0, 9E, 46, 00, 8B, 04, B0, 83, C0, 20, 50, FF, 15, A8, C0, 45, 00, A1, A0, 9E, 46, 00, FF, 34, B0, E8, 70, B9, FF, FF, 59, A1, A0, 9E, 46, 00...
 
[+]

Entropy:
7.8211  (probably packed)

Code size:
361 KB (369,664 bytes)

The file 3gs_lj.exe has been seen being distributed by the following URL.

http://d3g1g0k0wwnjag.cloudfront.net/.../3gs_lj.exe

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