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7fea3kp1r.exe

Ding Ruan

The application 7fea3kp1r.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-54-230-216-15.mrs50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Ding Ruan  (signed and verified)

MD5:
9d53937603ecf53415d288360e6ed930

SHA-1:
99efc84955d7526beee7018f6fad89a1da1a36c7

SHA-256:
8b8c76e499a1fc441cfc43c0caaf22aba8330520528d2cad909bfbde79308121

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
3/27/2026 12:46:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX (M)
17.2.6.12

File size:
406.5 KB (416,304 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\7fea3kp1r.exe

Digital Signature
Signed by:
Ding Ruan

Authority:
thawte, Inc.

Valid from:
1/21/2017 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:
50EE108988BED95F53447CC7C9B80D11

File PE Metadata
Compilation timestamp:
1/19/2017 6:41:24 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x31EB

Entry point:
E8, 42, 2A, 00, 00, E9, 97, 8C, 00, 00, 55, 8B, EC, 56, 8B, 75, 08, F6, 46, 0C, 83, 74, 20, F6, 46, 0C, 08, 74, 1A, FF, 76, 08, E8, 29, 56, 00, 00, 81, 66, 0C, F7, FB, FF, FF, 33, C0, 59, 89, 06, 89, 46, 08, 89, 46, 04, 5E, 5D, C3, 55, 8B, EC, 8B, 45, 08, A3, AC, 51, 46, 00, A3, B0, 51, 46, 00, A3, B4, 51, 46, 00, A3, B8, 51, 46, 00, 5D, C3, C7, 01, DC, C5, 45, 00, E9, 52, 53, 00, 00, 55, 8B, EC, FF, 75, 08, E8, 9C, 74, 00, 00, F7, D8, 59, 1B, C0, F7, D8, 48, 5D, C3, 58, 59, 87, 04, 24, FF, E0, 55, 8B, EC...
 
[+]

Entropy:
7.8178  (probably packed)

Code size:
363 KB (371,712 bytes)

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

TCP (HTTP):
Connects to server-54-230-216-223.mrs50.r.cloudfront.net  (54.230.216.223:80)

TCP (HTTP):
Connects to server-54-230-216-48.mrs50.r.cloudfront.net  (54.230.216.48:80)

TCP (HTTP):
Connects to server-52-85-63-219.lhr50.r.cloudfront.net  (52.85.63.219:80)

TCP (HTTP):
Connects to server-54-230-216-15.mrs50.r.cloudfront.net  (54.230.216.15:80)

TCP (HTTP):
Connects to server-52-85-63-229.lhr50.r.cloudfront.net  (52.85.63.229:80)

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