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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-52-85-173-206.fra6.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Ding Ruan  (signed and verified)

MD5:
596bd0e076ff54fb0becee58cd67868e

SHA-1:
47cde7f91d9aa20fe25bf7f253a891293fa9610c

SHA-256:
590ceeb555520562d55b9a5bab3f1409d0f8fe1def4040435aaed8bf7a12c35e

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)
17.2.6.13

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:
1/22/2017 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:
50EE108988BED95F53447CC7C9B80D11

File PE Metadata
Compilation timestamp:
1/19/2017 3:44:32 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-54-230-216-4.mrs50.r.cloudfront.net  (54.230.216.4:80)

TCP (HTTP):
Connects to server-54-230-216-207.mrs50.r.cloudfront.net  (54.230.216.207:80)

TCP (HTTP):
Connects to server-54-192-129-197.ams50.r.cloudfront.net  (54.192.129.197:80)

TCP (HTTP):
Connects to server-54-192-129-117.ams50.r.cloudfront.net  (54.192.129.117:80)

TCP (HTTP):
Connects to server-54-192-129-215.ams50.r.cloudfront.net  (54.192.129.215:80)

TCP (HTTP):
Connects to server-54-192-129-165.ams50.r.cloudfront.net  (54.192.129.165:80)

TCP (HTTP):
Connects to server-54-230-216-93.mrs50.r.cloudfront.net  (54.230.216.93:80)

TCP (HTTP):
Connects to server-54-230-216-84.mrs50.r.cloudfront.net  (54.230.216.84:80)

TCP (HTTP):
Connects to server-54-230-216-57.mrs50.r.cloudfront.net  (54.230.216.57:80)

TCP (HTTP):
Connects to server-54-230-216-230.mrs50.r.cloudfront.net  (54.230.216.230:80)

TCP (HTTP):
Connects to server-54-230-216-206.mrs50.r.cloudfront.net  (54.230.216.206:80)

TCP (HTTP):
Connects to server-54-230-216-190.mrs50.r.cloudfront.net  (54.230.216.190:80)

TCP (HTTP):
Connects to server-54-230-216-179.mrs50.r.cloudfront.net  (54.230.216.179:80)

TCP (HTTP):
Connects to server-54-230-216-164.mrs50.r.cloudfront.net  (54.230.216.164:80)

TCP (HTTP):
Connects to server-54-192-129-93.ams50.r.cloudfront.net  (54.192.129.93:80)

TCP (HTTP):
Connects to server-54-192-129-254.ams50.r.cloudfront.net  (54.192.129.254:80)

TCP (HTTP):
Connects to server-54-192-129-204.ams50.r.cloudfront.net  (54.192.129.204:80)

TCP (HTTP):
Connects to server-52-85-173-206.fra6.r.cloudfront.net  (52.85.173.206:80)

TCP (HTTP):
Connects to server-54-230-216-60.mrs50.r.cloudfront.net  (54.230.216.60:80)

TCP (HTTP):
Connects to server-54-230-216-50.mrs50.r.cloudfront.net  (54.230.216.50:80)

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