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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:
56a627931ff0bee67983bfe44b551dca

SHA-1:
9c445621de7dbceec608b43079394b9fa95f5a85

SHA-256:
f1bd62d2d67ab169547aacb02ca40baef7183d8be8b3c6e17d0c5733a7b64d4f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
7/15/2025 12:49:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
16.12.28.11

File size:
401.3 KB (410,880 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:
12/20/2016 1:00:00 AM

Valid to:
4/14/2017 1:59:59 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:
59CA9C3F1EEB96C1D2366F5309EBDDE0

File PE Metadata
Compilation timestamp:
12/11/2016 4:56:07 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x5769

Entry point:
E8, 54, EF, FF, FF, E9, 05, 63, 00, 00, 55, 8B, EC, 8B, 55, 14, 56, 8B, 75, 08, 57, 8B, 7A, 0C, 85, F6, 75, 16, E8, B4, C6, FF, FF, 6A, 16, 5E, 89, 30, E8, F8, 0E, 00, 00, 8B, C6, E9, 84, 00, 00, 00, 83, 7D, 0C, 00, 76, E4, 8B, 4D, 10, C6, 06, 00, 85, C9, 7E, 04, 8B, C1, EB, 02, 33, C0, 40, 39, 45, 0C, 77, 09, E8, 82, C6, FF, FF, 6A, 22, EB, CC, C6, 06, 30, 53, 8D, 5E, 01, 8B, C3, 85, C9, 7E, 1A, 8A, 17, 84, D2, 74, 06, 0F, BE, D2, 47, EB, 03, 6A, 30, 5A, 88, 10, 40, 49, 85, C9, 7F, E9, 8B, 55, 14, C6, 00...
 
[+]

Entropy:
7.8256  (probably packed)

Code size:
358.5 KB (367,104 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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