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lyi_my.exe

Ding Ruan

The application lyi_my.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. While running, it connects to the Internet address server-54-230-163-174.jax1.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Ding Ruan  (signed and verified)

MD5:
fb0dfef854f2f3be848c616333e4e524

SHA-1:
03afd8328f08dba788ad7715f5f3142839ff97c2

SHA-256:
46a0d39fc2a0833ac8f44cb699f830ba348360a05f593f576636a6b65b8fc30f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
3/27/2026 12:42:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
17.2.6.19

File size:
427.7 KB (437,984 bytes)

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
1/21/2017 10:00:00 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:
50EE108988BED95F53447CC7C9B80D11

File PE Metadata
Compilation timestamp:
1/19/2017 12:44:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x3B60

Entry point:
E8, F4, 0A, 00, 00, E9, F7, AC, 00, 00, 55, 8B, EC, 51, A1, B8, 91, 46, 00, 83, F8, FE, 75, 0A, E8, DB, 37, 00, 00, A1, B8, 91, 46, 00, 83, F8, FF, 75, 07, B8, FF, FF, 00, 00, EB, 1B, 6A, 00, 8D, 4D, FC, 51, 6A, 01, 8D, 4D, 08, 51, 50, FF, 15, 20, 10, 46, 00, 85, C0, 74, E2, 66, 8B, 45, 08, 8B, E5, 5D, C3, 6A, 0C, 68, 00, 6A, 46, 00, E8, 27, B2, 00, 00, 83, CF, FF, 89, 7D, E4, 33, C0, 8B, 75, 08, 85, F6, 0F, 95, C0, 85, C0, 75, 18, E8, 33, 63, 00, 00, C7, 00, 16, 00, 00, 00, E8, 26, 30, 00, 00, 8B, C7, E8...
 
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Code size:
384 KB (393,216 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-230-163-110.jax1.r.cloudfront.net  (54.230.163.110:80)

TCP (HTTP):
Connects to server-54-230-163-72.jax1.r.cloudfront.net  (54.230.163.72:80)

TCP (HTTP):
Connects to server-54-230-163-63.jax1.r.cloudfront.net  (54.230.163.63:80)

TCP (HTTP):
Connects to server-54-230-163-46.jax1.r.cloudfront.net  (54.230.163.46:80)

TCP (HTTP):
Connects to server-54-230-163-247.jax1.r.cloudfront.net  (54.230.163.247:80)

TCP (HTTP):
Connects to server-54-230-163-229.jax1.r.cloudfront.net  (54.230.163.229:80)

TCP (HTTP):
Connects to server-54-230-163-174.jax1.r.cloudfront.net  (54.230.163.174:80)

TCP (HTTP):
Connects to server-54-230-163-163.jax1.r.cloudfront.net  (54.230.163.163:80)

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