Zahwa Salah Mukhtar was found injured in Chadwell Heath Lane at around 5.30am on August 16.
The 27-year-old was pronounced dead at the scene.
Her family have been informed and are being supported by specially trained officers.
A murder investigation was launched, and four men have since been arrested.
A 35-year-old man was arrested on the evening of Sunday, August 17 on suspicion of assisting an offender.
This is in addition to a 35-year-old man who was arrested on suspicion of murder, alongside a 21-year-old and 22-year-old who were arrested on suspicion of assisting an offender.
All four men remain in police custody.
Detectives believe this was an isolated incident and that those involved were known to each other.
Detective Superintendent Brian Hobbs said: “Our thoughts today are with the victim’s family and friends in light of this truly tragic event.
“Although we have now made arrests, local residents will continue to see an increased number of officers in and around the area while our investigative work is carried out.
“I would ask anyone who was in the area of Romford, who may have seen or heard anything suspicious, to speak to us.”
Zahwa’s family said: “Zahwa was a kind and loving person with high aspirations in life and her presence brought warmth to those around her.
“She was dearly loved by her family and friends.
“Zahwa’s tragic loss has left us heartbroken, and she will be truly missed by all who knew and loved her.
“Her memory will live on in our hearts forever.”
If you have any information, call police via 101 quoting 1625/16Aug.
Alternatively, to remain anonymous you can call Crimestoppers on 0800 555 111.